Ameteoroid, heading straight for earth, has a speed of 14.8 km/s relative to the center of earth as it crosses our moon's orbit, a distance of 3.84 × 108 m from the earth's center. what is the meteroid's speed as it hits the earth? you can neglect the effects of the moon, earth's atmosphere, and any motion of the earth.

Explanation:

M = Mass of Earth = 5.972 × 10²⁴ kg

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

r = Radius of Earth = 6371000 m

= Launch velocity = 14.8 km/s

= Final velocity

r = Orbit distance =

m = Mass of satellite

As the energy of the system is conserved we have

The meteroid's speed as it hits the earth is 18493.53507 m/s

diagram is missing, but i will try to explain your doubt.

answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

are their multiple choices ?

explanation: