Answers: 3
Physics, 22.06.2019 05:30
What do you think car designers do if the damage caused by a crash test is too severe?
Answers: 1
Physics, 22.06.2019 17:40
Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
Answers: 1
Physics, 23.06.2019 01:30
Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?
Answers: 1
A motor bike accelerates from rest to (42.8 m/s) due South in 5.8 s. The mass of the bike is 620 kg....
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