A planet's gravity is the only force acting on the object, hence the answer is yes.
How does gravity's field strength become calculated?This is a technique for calculating the gravity. Weight divided by mass equals the gravitational field's strength. On Earth, there is a 10 N/kg gravitational field.
The gravitational field at the satellite's location and the acceleration of the spacecraft are both compared.The speed of gravity at the orbital radius is equal to the speed at which a satellite in a circular orbit moves toward the object it is circling. Objects in orbit are constantly falling, like people in an elevator.
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A plane moves at 15 km/h for a total distance of 300km. How long did it fly for? *
20 hours
0.05 hours
450,000 hours
2 hours
Two resistors, 2.50 Ω and 4.95 Ω, are wired in series to a 12.00 V battery. What is the equivalent resistance of the circuit?
Answer:
7.45 Ω
Explanation:
From the question given above, the following data were obtained:
Resistor 1 (R₁) = 2.50 Ω
Resistor 2 (R₂) = 4.95 Ω
Voltage (V) = 12 V
Equivalent Resistance (Rₑq) =?
Since the resistors are in series arrangement, the equivalent resistance can be obtained as follow:
Rₑq = R₁ + R₂
Rₑq = 2.5 + 4.95
Rₑq = 7.45 Ω
Therefore, the equivalent resistance is 7.45 Ω
p me have no brain please help I just wanna get through the year
According to the law of conservation of mass, what is the mass of sodium oxide (Na20) formed in this reaction? 4Na 91.96 g 02 32.00 g 2Na 0 ?
A. 247.92 grams
B. 123.96 grams
C. 61.68 grams
D. 495.84 grams
Answer:
B. 123.96 grams
Explanation:
Why is vehicle systems forensics useful today? Cars are less computerized than before More people own cars Devices like smartphones can interface with cars and leave evidence A large amount of DNA evidence is found in cars
Answer:
Devices like smartphones can interface with cars and leave evidence
Explanation:
Vehicle system forensic relates to digital data stored in a vehicles system.
Bluetooth connection times can be used to figure out at what time the owner was near his car. e.g. between a smart-watch and car infotainment system
Name three (3) organelles that are found in plant cells that are not commonly found in animal cells?
Answer:
cell wall, chloroplasts, plastids
Friction and air resistance are forces that always:
1.) Balance out, having no effect on the net force.
2.) Act in the opposite direction to an object's motion, tending to slow it down.
3.) Pull objects down towards the center of the Earth.
4.) Cause objects to speed up.
How do you find the velocity of a moving car?
Answer:
Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.
Explanation:
hope this helps a little bit sorry if i got it wrong
The image shows the magnetic field lines around a magnet.
Which statements are true for this magnet?
- the right pole is the south pole
- the left pole is the south pole
- the left pole is the north pole
- the right pole is the north pole
Choose all that apply
Answer:
The right pole is the south pole
The left pole is the north pole
Explanation:
Reason : -
Magnetic field lines emerge from North pole to South pole in a bar magnet.
when a metal reacts with a non-metal it forms what???
Answer:
When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions. The resulting compound is called an ionic compound.
:
In the the table there is 20 kj of coal, how much energy in joules is 1g of coal?
Answer:
what do u meN by this i really don't know
When a magnetic field is first turned on, the flux through a 20-turn loop varies with time according to Φm=5.0t2−2.0t, where Φm is in milliwebers, t is in seconds, and the loop is in the plane of the page with the unit normal pointing outward. (a) What is the emf induced in the loop as a function of time? What is the direction of the induced current at (b) t = 0, (c) 0.10, (d) 1.0, and (e) 2.0 s?
Answer:
A) ( - 200t + 40 ) volts
B) b) anticlockwise , c) anticlockwise , d) clockwise , e) clockwise
Explanation:
Given data:
magnetic flux (Φm) = 5.0t^2 − 2.0t
number of turns = 20
a) determine induced emf
E = - N [tex]\frac{d\beta }{dt}[/tex]
= - N ( 10t - 2 ) = - 20 ( 10t - 2 )
= - 200t + 40 volts
b) Determine direction of induced current
i) at t = 0
E = - 0 + 40 ( anticlockwise direction )
ii) at t = 0.10
E = -20 + 40 = 20 ( anticlockwise direction )
iii) at t = 1
E = - 200 + 40 = - 160 ( clockwise direction)
iv) at t = 2
E = -400 + 40 = - 360 ( clockwise direction )
Question:
Define work.
Answer:
Work, in physics, refers to the measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.
Hey there!
Work is defined as the the force which gets applied to an object in order to displace (move) it. For example, you work in order to walk up & down the stairs. For this, you need to apply force as well. So, work done = force × distance.
Hope it helps!
A force of 50N on a particle of mass 'm' the particles starts from rest and travels in a straight line through a distance of 25m in 5 seconds what is the mass of the object
Answer:
Explanation:1N=9,8kg
50*9,8=?
M=490KG
[N]s.i.=M
m/s2
Which equation links acceleration, mass and resultant force?
(d)
Tick one box.
resultant force = mass + acceleration
resultant force = mass x acceleration
resultant force = mass - acceleration
resultant force = mass : acceleration
oric Soko
Answer:
resultant force = mass × acceleration
Answer:
Resultant netforce= mass x acceleration
Explanation:
Fnet is directly proportional to acceleration, and inversly proportinal to mass.
Match the choices below to the correct description. Drag the terms on the left to the appropriate blanks on the right. ResetHelp blank − this body wave is a compressional wave. − this body wave is a compressional wave. blank − this body wave is a shear wave. − this body wave is a shear wave. blank − this surface wave moves from side to side. − this surface wave moves from side to side. blank − this surface wave moves up and down. − this surface wave moves up and down.
Answer: hello the terms are missing but I have provided the answer ( the terms and matched them properly
answer :
P WAVESS WAVESL WAVESR WAVESExplanation:
This body wave is a compressional wave : P WAVES
This body wave is a shear wave : S WAVES
This surface wave moves from side to side : L WAVES
This surface wave moves up and down. : R WAVES
A body wave is a type of wave that passes through the interior of the earth and they are classified as ; P and S waves while surface waves are seismic waves that travel near the earth's surface
A 2018 Tesla Model S has a horsepower of 518. How many watts of power does this car model have?
Answer:
It depends on the model but these are the watts of each motor
Explanation:
Un motor: 258 HP (262 CV) Dual motor: 154 kW (209 CV) y 197 kW (268 CV). Performance: 154 kW (209 CV) y 225 kW (306 CV).
a 200 L of water tank is filled from a reason the inlet pipe at the bottom electrical overflow pipe prices with colourful the bottom boats 50 50 cm in diameter how much does the water rise in the overflow pipe in the water is heated from 10 degrees Celsius to 40 degrees Celsius
Answer:
The water rises by 4.45 m
Explanation:
Mass is constant
Mass = Volume /Specific Volume
Mass = 200/(1*10^-3*1.001) = 199.8 Kg
Volume after heating = specific volume * mass
= 1.008 *10^-3 lt/gm * 199800 gm
= 201.398 t
Change in volume = 1.3986
(pi)r^2 *h = 1.3986 *10^-3 m^3
3.14 * (1*10^-2 m)^2 *h = 1.3986 *10^-3 m^3
H = 4.45 m
7. An object can be accelerating even if its speed is
constant if it
(a) comes to a stop
(b) is not possible
(C) changes direction
(d) moves in a straight line
Answer:
I think that the answer might be d
Answer:
D
Explanation:
If a car is moving very fast in a straight road or a highway in such a way that it has reached its limits as soon as it is going that fast it can break it limit
explain how an earthquake can occur, and briefly describe the forces involved and the effects they have on Earth's crust far from where the earthquake took place. think about how earthquake waves form and travel.
Answer:
When there is sudden movement on the Earth's crust, earthquakes occur. Earthquakes are caused due to sudden lateral or vertical movements in the crust of the Earth. Or we can say that when tectonic plates ride over the other and cause the collision of orogeny or mountain building.
Explanation:
Which force is most important inside an atom?
O A. Gravity
O B. Air resistance
O C. Friction
O D. Strong nuclear force
Answer:
D- fuerza nuclear fuerte
Explanation:
a man walks 15 meters in 15 seconds. what is his speed
Answer:
1 meter per second
Explanation:
Every second, he walks 1 meter because 15 ÷ 15 = 1
A machine raised a load of 360N through a distance of 0.2m. The effort, a force of 50N moved 1.8m during the process. Calculate the efficiency of the machine.
Select one:
a. 40%
b. 100%
c. 80%
d. 60%
Answer:
c. 80%
Explanation:
Given;
load raised by the machine, L = 360 N
distance through which the load was raised, d = 0.2 m
effort applied, E = 50 N
distance moved by the effort, e = 1.8 m
The efficiency of the machine is calculated as follows;
[tex]Efficiency = \frac{ 0utput \ work }{1nput \ work} \times 100\% \\\\Efficiency = \frac{Load \ \times \ distance \ moved \ by \ load }{Efort \ \times \ distance \ moved \ by \ effort} \times 100\%\\\\Efficiency = \frac{360 \times 0.2}{50 \times 1.8} \times 100\%\\\\Efficiency =80\%[/tex]
Therefore, the efficiency of the machine is 80%
How much force does it take to accelerate a 3.50 kg mass from 3.00 m/s to 17.0 m/s in a time of 2.00 seconds?
Answer:
Force = 24.5 Newton
Explanation:
Given the following data;
Mass = 3.50 kg
Initial velocity, u = 3 m/s
Final velocity, v = 17 m/s
Time, t = 2 seconds
To find the force;
First of all, we would determine the acceleration of the object using the formula;
Acceleration = (v - u)/t
Acceleration = (17 - 3)/2
Acceleration = 14/2
Acceleration = 7 m/s²
Now, we can find the force using the formula;
Force = mass * acceleration
Force = 3.5 * 7
Force = 24.5 Newton
Choose forces from the box to complete these sentences.
Answer:Upthrust, Weight
Explanation:
The upward force is called Upthrust.
The downward force is called weight.
Whenever a body is submerged fully or partially in the liquid, it experiences an upward force that is equal to the weight of water replaced.
State two advantages of thermal expansion
Higher Power Efficiency and Eliminates Risk of Compressor Breakdown
PLEASE HELP!! I PROMISE I'LL GIVE BRAINLIEST!!
What would your life look like if you had to use only analog signals?
like a black cloud
Explanation:
Define: Signals
Before going too much further, we should talk a bit about what a signal actually is, electronic signals specifically (as opposed to traffic signals, albums by the ultimate power-trio, or a general means for communication). When one speaks of analog one often means an electrical context, however mechanical, pneumatic, hydraulic, and other systems may also convey analog signals.
An analog signal uses some property of the medium to convey the signal's information. Any information may be conveyed by an analog signal, often such a signal is a measured change in physical phenomena, such as sound, light, temperature, position, or pressure.
For example, in sound recording, changes in air pressure (that is to say, sound) strike the diaphragm of a microphone which causes related changes in a voltage or the current in an electric circuit. The voltage or the current is said to be an "analog" of the sound.
If force 1 has a magnitude of 5 N (forward) and force 2 has a magnitude of 30 N (forward), what is the net force acting on the object?
A.) 25 N forward
B.) 35 N forward
C.) 25 N backwards
D.) 35 N backwards
A 2.0 kg sphere with a velocity of 6.0 m/s collides head-on and elastically with a stationary 10 kg sphere
Question: A 2.0 kg sphere with a velocity of 6.0 m/s collides head-on and elastically with a stationary 10 kg sphere, What is thier velocities after collision.
Answer:
v = 6 m/s, v' = 0 m/s
Explanation:
From the question,
For Elastic collision,
mu+m'u' = mv+m'v'......................... Equation 1
Where m = mass of the first sphere, m' = mass of the second sphere, u = initial velocity of the first sphere, u' = initial velocity of the second sphere, v = final veolocity of the first sphere, v' = final velocity of the second sphere.
Also,
The relative velocity before collision = relative velocity after collision
u-u' = v-v'............................ Equation 2
Given: m = 2 kg, m' = 10 kg, u = 6 m/s, u' = 0 m/s
Substitute into equation 1 and 2
2(6)+10(0) = 2v+10v'
2v+10v' = 12.............. Equation 3
6-0 = v-v'
v-v' = 6 ................... Equation 4
Solve equation 3 and 4 simultaneously.
v = 6+v'............. Equation 5
Substitute equation 5 into equation 3
2(6+v')+10v' = 12
12+2v'+10v' = 12
12v' = 12-12
v' = 0/12
v' = 0 m/s.
Also substitute the value of v' into equation 5
v = 6+0
v = 6 m/s
Two moving objects have the same momentum. Object 1 has three times the mass of Object 2; therefore, Object 1 has:
the same the velocity of Object 2
three times the velocity of Object 2
nine times the velocity of Object 2
one-third the velocity of Object 2
one-ninth the velocity of Object 2
ANSWER
0ne third the velocity of object 2
Explanation:
P1=P2
m1v1=m2v2
v1=1/3.v2 [ since, m1=3.m2 ]
m2=m1/ 3
Answer:
one-third the velocity of Object 2
Explanation:
I have always wondered if the saying it was hot enough to fry an egg on the sidewalk could 20 points be true. Please describe how you would determine if this could really happen. State any assumptions you would make. State any additional information that you would need and what you would do with the additional information
Answer:
This is one of the hottest summers America has ever seen and Jeremiah Warren is taking advantage of the heat wave and doing a little cooking…in his car!
It was about 98 or 99 degrees in Texas, so Jeremiah thought he’d head outside to see if it was hot enough to actually cook food. He buttered up a frying pan on his dashboard and filled it with an egg, cookie dough, a hot dog and bacon (mmm…bacon!). He set up another frying pan on the sidewalk and a few hours later he came back for a mid-day snack.
Explanation: