Physics, 26.09.2019 19:30 emilyplays474
Alightweight diving board is supported by two pillars. one is at the end of the board and the other is 2.30 m away. a 75-kg person is standing on the board at such a location that the pillar at the end (pillar #1) of the board exerts a 780-n force downward. determine the following: (a) how far from that pillar is the person standing? (b) find the force exerted by the second pillar.
Answers: 1
Physics, 21.06.2019 16:10
The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.
Answers: 3
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 22.06.2019 01:30
What is the magnitude of the resultant vector round your answer to the nearest tenth
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Physics, 22.06.2019 08:30
If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.
Answers: 1
Alightweight diving board is supported by two pillars. one is at the end of the board and the other...
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