Question: Can you help me answer number 1 please? Julie throws a roc vertically upward from a height of 64.0 meters above the ground. The initial

Can you help me answer number 1 please?

Julie throws a roc vertically upward from a height of 64.0 meters above the ground. The initial velocity of the rock is 31.0 meters per second. Neglect air resistance.

A) How long does it take for the rock to hit the ground?

B) What is the velocity of the rock just before it hits the ground?

Can you help me answer number 1 please?Julie throws a roc vertically

1. Julie throws a rock vertically upward from a height of 64.0 meters above the ground. The initial velocity of the rock is 31.0 meters per second. Neglect air resistance. (a) How long does it take for the rock to hit the ground? (b) What is the velocity of the rock just before it hits the ground? 64.0 m

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