
8. (a) Calculate the potential energy of a 10.0-kg mass on the surface of the Earth...
Part a) Calculate the energy required to lift 1 litre of gasoline from the surface of the Earth to an altitude of 3000 km above the surface of the Earth. Use g = 9.81 m s-2, the radius of the Earth is 6371 km, and the density of gasoline is 749 kg m-3. Part b) A planet orbits the Sun in a circular orbit. The force of gravity is the centripetal force of the circular motion. Assuming that potential energy...
QUESTION 10 A rocket of mass 2000 kg is launched straight upwards from the Earth's surface to an altitude of 10,000 km. How fast was the launch speed? Radius of the Earth is 6.37x10 m. Mass of the Earth is 5.97x10 kg. The Universal gravitational constant is 6.67x10" N /kg a 442.7 m/s Ob. 1390 m/s c.4119 m/s d. 8739 m/s Oe. 10841 m/s
Q1: A 1 036-kg satellite orbits the Earth at a constant altitude of 93-km. (a) How much energy must be added to the system to move the satellite into a circular orbit with altitude 203 km? MJ (b) What is the change in the system's kinetic energy? MJ (c) What is the change in the system's potential energy? MJ Q2: A 475 kg satellite is in a circular orbit at an altitude of 575 km above the Earth's surface. Because...
Energy is required to move a 1590 kg mass from the Earth’s surface to an altitude 2.59 times the Earth’s radius RE. (RE=6.37 × 106 m) What amount of energy is required to accomplish this move? Answer in units of J.
A 345 kg satellite is orbiting 15500 km above the surface of Earth. The mass and radius of Earth are 5.972e+24 kg and 6378 km respectively. What is the kinetic energy of the satellite?
A 507 kg satellite is in a circular orbit at an altitude of 754 km above a planet’s surface. This planet is similar to our Earth. Because of air friction, the satellite eventually is brought to the Earth’s surface, and it hits the Earth with a speed of 3 km/s. The radius of the planet is 7 × 106 m and its mass is 8 × 1024 kg. The gravitational constant is 6.67259 × 10−11 N m2 /kg2. How much...
A satellite of mass m 400 kg is observed with the initial speed v 3 km/s at the initial altitude h 4000 km above the Earth's surface. The satelite descends in a free fall and hits the ocean with the final speed w. Which one of the followings statements is the correct form of the 프~ Problem 6(3 point ed push of what energy conservation in this process? these equations M stands for the mass of the Earth, and R...
A satellite has a mass of 109 kg and is located at 1.97
106 m above the surface of Earth.
(a) What is the potential energy associated with the satellite
at this location?
J
(b) What is the magnitude of the gravitational force on the
satellite?
. An aircraft with a mass of 2,000 kg starts from rest at sea level and takes off, then flies to a cruising speed of 620 km/h and altitude of 10 km. Assume g-9.8 m/s throughout the process What is the aircraft's change in potential energy? What is the aircraft's change in kinetic energy? a. b. Answers: About 200 and 30 MJ respectively
A 992-kg satellite orbits the Earth at a constant altitude of 94-km. (a) How much energy must be added to the system to move the satellite into a circular orbit with altitude 199 km? MJ (b) What is the change in the system's kinetic energy? MJ (c) What is the change in the system's potential energy? MJ