A space vehicle is launched vertically upward from the Earth\'s surface with an

Question

A space vehicle is launched vertically upward from the Earth's surface with an initial speed of 5.86 km/s, which is less than the escape speed of 11.2 km/s. What maximum height does it attain? Your response differ from the correct answer by more than 10%. Double check your calculations. m A meteoroid falls toward the Earth. It is essentially at rest with respect to the Earth when it is at a height of 3.01 times 10^7 m above the Earth's surface. With what speed does the meteorite (a meteoroid that survives to impact the Earth's surface) strike the Earth?

Explanation / Answer

Maximum height reached = v2 /2g

                                        = (5.86*5.86)/2* 9.8 = 1.75 * 106 m =1752 km

b) v2 - u2 = 2gh

from this we have to calculate v and given u =0

v = 24.29 km/s.

u =

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