Question

The radius of the Earth rE is 6380km. What is the acceleration due to gravity at...

The radius of the Earth rE is 6380km.

What is the acceleration due to gravity at a distance 4rE above the Earth's surface?

What is the speed of a satellite in a circular orbit at the height 4rE above the Earth's surface?

How much time (in seconds) does the satellite take to complete an orbit? Assume that the satellite orbits at constant speed.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Variation of Acceleration due to gravity with height is given by,

Here,   

Speed of a Geostationary satellite is given by,  

Where, R is the distance from the centre of earth, in Our case ,,  

M is the mass of earth ,

G is the universal gravitational constant,  

Time period for a satelleite is given by ,

  

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A satellite orbits the earth at a radius RS = 12.4 RE (measured from the center...
A satellite orbits the earth at a radius RS = 12.4 RE (measured from the center of the earth), where RE is the radius of the earth (take it to be 4000 mi with there being 5,280 ft/mi). [Hint: recall that the acceleration of a satellite at the surface of the earth where RS =RE is g=32ft/sec^2 and the acceleration varies inversely as the square of the distance from the earth's center.] What is the speed v of the satellite...
(a) At what height above the earth is the acceleration due to gravity 62% of its...
(a) At what height above the earth is the acceleration due to gravity 62% of its value at the surface? (b) What is the speed of a satellite orbiting at that height? I got 1210.49km for question a by using the formula, but it is wrong.
Consider a satellite of mass m in a circular orbit of radius r around the Earth...
Consider a satellite of mass m in a circular orbit of radius r around the Earth of mass ME and radius RE. 1. What is the gravitational force (magnitude and direction) on the satellite from Earth? 2. If we define g(r) to be the force of gravity on a mass m at a radial distance r from the center of the Earth, divided by the mass m, then evaluate the ratio g(r)/g(RE)to see how g varies with radial distance. If...
For a spherical celestial object of radius R, the acceleration due to gravity g at a...
For a spherical celestial object of radius R, the acceleration due to gravity g at a distance x from the center of the object is g = g0R2/x2, where g0 is the acceleration due to gravity at the object's surface and x > R. For the moon, take g0 = 1.63 m/s2 and R = 3200 km. If a rock is released from rest at a height of 5R above the lunar surface, with what speed does the rock impact...
Two satellites are in circular orbits around the earth. The orbit for satellite A is at...
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 406 km above the earth's surface, while that for satellite B is at a height of 904 km. Find the orbital speed for satellite A and satellite B.
A satellite orbits the Earth uniformly in a circular orbit with a velocity of magnitude 4.00...
A satellite orbits the Earth uniformly in a circular orbit with a velocity of magnitude 4.00 km/s. Use Newton's gravitation force as the force in Newton's Law of Acceleration, using also the centripetal acceleration . Solve for radius r of the satellite's orbit in terms of v . (a) Find then the altitude of the satellite above the surface of the Earth. Earth's mass and radius are 5.9810 kg and 6.3810 km. (b) Find the time it takes the satellite...
acceleration due to gravity at earths surface is 9.80m/s2 .what is the acceleration due to gravity...
acceleration due to gravity at earths surface is 9.80m/s2 .what is the acceleration due to gravity at a distance 5 times the radius of the earth from the center of the earth
NASA launches a satellite into orbit at a height above the surface of the Earth equal...
NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's mean radius. The mass of the satellite is 830 kg. (Assume the Earth's mass is 5.97 1024 kg and its radius is 6.38 106 m.) (a) How long, in hours, does it take the satellite to go around the Earth once? h (b) What is the orbital speed, in m/s, of the satellite? m/s (c) How much gravitational force, in N,...
A satellite of mass 220 kg is placed into Earth orbit at a height of 850...
A satellite of mass 220 kg is placed into Earth orbit at a height of 850 km above the surface. (a) Assuming a circular orbit, how long does the satellite take to complete one orbit? h (b) What is the satellite's speed? m/s (c) Starting from the satellite on the Earth's surface, what is the minimum energy input necessary to place this satellite in orbit? Ignore air resistance but include the effect of the planet's daily rotation. J
A satellite of mass 220 kg is placed into Earth orbit at a height of 500...
A satellite of mass 220 kg is placed into Earth orbit at a height of 500 km above the surface. (a) Assuming a circular orbit, how long does the satellite take to complete one orbit? h (b) What is the satellite's speed? m/s (c) Starting from the satellite on the Earth's surface, what is the minimum energy input necessary to place this satellite in orbit? Ignore air resistance but include the effect of the planet's daily rotation. J
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT