(a) How much work is done by the Moon's graviational field on a 1500 kg meteor...
(a) How much work is done by the Moon's graviational field on a 1500 kg meteor as it comes in from outer space and impacts on the Moon's surface? 4.28785714e9 J Correct: Your answer is correct. (b) If the meteor hits the moon with a speed of 4.2 km/s, how fast was it moving in deep space?
Homework Answers
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(a) How much work is done by the Moon's graviational field on a
1500 kg meteor...
A 1,040 kg meteor strikes the surface of the Moon. What is the work done (in J) on the meteor by the gravitational fiel...
A 1,040 kg meteor strikes the surface of the Moon. What is the work done (in J) on the meteor by the gravitational field of the Moon, if we assume the meteor comes from deep space?
A 1,015 kg meteor strikes the surface of the Moon. What is the work done (in...
A 1,015 kg meteor strikes the surface of the Moon. What is the work done (in J) on the meteor by the gravitational field of the Moon, if we assume the meteor comes from deep space?
How much work must be done to stop a 1500 kg car traveling at 80 km/h...
How much work must be done to stop a 1500 kg car traveling at 80 km/h ? Express your answer using two significant figures. h ΚΑΙ ΑΣφ ? W = Submit Request Answer Provide Feedback <Assignment 6 Problem 7.38 Part A If it requires 55 J of work to stretch a particular spring by 1.8 cm from its equilibrium length, how much more work will be required to stretch it an additional 45 cm? Express your answer using two significant...
A small asteroid that has a mass of 100 kg is moving at 200 m/s when...
A small asteroid that has a mass of 100 kg is moving at 200 m/s when it is 1110 km above the Moon. 1) How fast will the meteorite be traveling when it impacts the lunar surface if it is heading straight toward the center of the Moon? (Express your answer to three significant figures.) 2) How much work does the Moon do in stopping the asteroid if neither the Moon nor the asteroid heats up in the process? (Express...
How much work is done by the rope to keep a ball of mass 1 kg...
How much work is done by the rope to keep a ball of mass 1 kg in
uniform circular motion at speed 5 m/s?
How much work is done by the rope to keep a ball of mass 1 kg in uniform circular motion at speed 5 m/s? Answer:
a) how much work is done in raising a 50.0 kg crate a distance of 1.5...
a) how much work is done in raising a 50.0 kg crate a distance of 1.5 m above a storeroom floor? b) what is the change of potential energy as a result of this move? c) how much kinetic energy will the crate have as it falls and hits the floor? please show work
A meteoroid of mass = 595 kg has a speed of 79.0 m/s when 800 km...
A meteoroid of mass = 595 kg has a speed of 79.0 m/s when 800 km
above the Earth. It is falling vertically (ignore air resistance)
and strikes a bed of sand in which it is brought to rest in 3.61
m.
(a) How much work does the force of gravity do on the meteoroid
on the way to the surface?
???? GJ
(b) What is the speed of the meteoroid just before striking the
sand?
???? m/s
(c) How...
How much work would be done by an electric field in moving an electron along a...
How much work would be done by an electric field in moving an electron along a straight path from a negative electrode to the positive electrode?
Airflow lifts a 3.6 kg bird 50 m up. a) How much work was done by...
Airflow lifts a 3.6 kg bird 50 m up. a) How much work was done by the flow? b) How much did its gravitational potential energy increase? A bird flies at a speed of 2.3 m/s if it has 14 J of kinetic energy. What is its mass?
How much work must the thrusters do?
A 4000 kg lunar lander is in orbit 70 km above the surface of the moon. It needs to move out to a 500 km -high orbit in order to link up with the mother ship that willtake the astronauts home.How much work must the thrusters do?
A 1,040 kg meteor strikes the surface of the Moon. What is the work done (in J) on the meteor by the gravitational field of the Moon, if we assume the meteor comes from deep space?
How much work must be done to stop a 1500 kg car traveling at 80 km/h ? Express your answer using two significant figures. h ΚΑΙ ΑΣφ ? W = Submit Request Answer Provide Feedback <Assignment 6 Problem 7.38 Part A If it requires 55 J of work to stretch a particular spring by 1.8 cm from its equilibrium length, how much more work will be required to stretch it an additional 45 cm? Express your answer using two significant...
How much work is done by the rope to keep a ball of mass 1 kg in
uniform circular motion at speed 5 m/s?
How much work is done by the rope to keep a ball of mass 1 kg in uniform circular motion at speed 5 m/s? Answer:
A meteoroid of mass = 595 kg has a speed of 79.0 m/s when 800 km
above the Earth. It is falling vertically (ignore air resistance)
and strikes a bed of sand in which it is brought to rest in 3.61
m.
(a) How much work does the force of gravity do on the meteoroid
on the way to the surface?
???? GJ
(b) What is the speed of the meteoroid just before striking the
sand?
???? m/s
(c) How...
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