Laocean348 Laocean348

21-12-2022
Physics

Answered

it is necessary to have the spacecraft escape from the earth completely. if the spacecraft's rockets are fired at perigee, by how much would the speed have to be increased to achieve this?

Answer :

Other Questions

what would the sun's gravitational force on the earth be if the earth had three times its present mass?

a wave is traveling at a constant speed. the frequency is 2 hertz, and the wavelength is 1 meter. how would the wave properties change if the wavelength decreas

approximately how much greater is the force of gravity at the surface of the white dwarf than at the surface of the earth?

suppose a white dwarf has the mass of the sun but the radius of earth. approximately how much greater is the force of gravity at the surface of the white dwarf

How does the speed of a wave change when it moves from one medium to another?

What is the range of a bullet fired horizontally at a height of 1. 5 m with an initial velocity of 120 m/s?.

a car increases its speed, changing its kinetic energy from 60,000 j to 80,000 j. assuming no friction, how much work is done by the car’s engine to cause this

a 5000kg coaster is released 20 meters above the ground on a frictionless track. what is the minimum speed that the cart would have to start with in order to ju

An ideal gas is held in a container of volume v at pressure p. The average speed of a gas molecule under these conditions is v. If now the volume and pressure a

a 0.24-kg baseball is thrown with a speed of 38 m/s and it is hit straight back toward the pitcher with a speed of 64 m/s. what is the magnitude of the impulse