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A 40 N block lifted

A 40 N block lifted straight upward by a hand applying a force of 40 N has an initial kinetic energy of 12J. If the block is
1. 1 answer
2. asked by Julie
3. 613 views
;A 20-N block lifted straight upward by a hand applying a force of 20 N. If the block is lifted 1 m, who much work does the hand
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2. asked by ang
3. 1,115 views
In Fig. 6-34, blocks A and B have weights of 46 N and 23 N, respectively. (a) Determine the minimum weight of block C to keep A
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2. asked by Tom
3. 766 views
In Fig. 6-25, blocks A and B have weights of 49 N and 21 N, respectively.(a) Determine the minimum weight of block C to keep A
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2. asked by Robert
3. 837 views
A block and tackle system has 3 pulley in the upper fixed block and 2 pulley in the lower movable block.what load can be lifted
1. 1 answer
2. 124 views
A bullet of mass 5 g with velocity 1000m/s hits a wooden block of 1.5kg at rest. If the bullet penetrates through the block with
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2. asked by Thiynes
3. 627 views
A bullet of mass 5 g with velocity 1000m/s hits a wooden block of 1.5kg at rest vertically. If the bullet penetrates through the
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2. asked by Thiynes
3. 656 views
A cable with 21.2 N of tension pulls straight up on a 1.10 kg block that is initially at rest. What is the block's speed (in
1. 2 answers
2. asked by Me
3. 3,455 views
Can anyone figure this out?A cable with 25.0N of tension pulls straight up on a 1.10kg block that is initially at rest. What is
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2. asked by Tracie
3. 972 views
A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m.block is slowly displaced horizontally by
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2. asked by Ray
3. 687 views