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Author Question: A block is supported on a compressed spring, which projects the block straight up in the air at ... (Read 53 times)

KimWrice

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A block is supported on a compressed spring, which projects the block straight up in the air at velocity . The spring and ledge it sits on then retract. You can win a prize by hitting the block with a ball. When should you throw the ball and in what direction to be sure the ball hits the block? (Assume the ball can reach the block before the block reaches the ground and that the ball is thrown from a height equal to the release position of the block.)

At the instant when the block leaves the spring, directed at the block.

At the instant when the block leaves the spring, directed at the spring.

At the instant when the block is at the highest point, directed at the block.

At the instant when the block is at the highest point, directed at the spring.

When the block is back at the spring's original position, directed at that position.


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Marked as best answer by KimWrice on Aug 1, 2020

DHRUVSHAH

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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KimWrice

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Reply 2 on: Aug 1, 2020
:D TYSM


cici

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Reply 3 on: Yesterday
Wow, this really help

 

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