Physics, 21.10.2019 22:20 ladybug9014
Arailway truck of mass 800 kg moving with a constant velocity of 5 m/s, collides and couples
with another railway truck of mass 6+50 kg
which is stationary. calculate the common velocity (v) with which the coupled trucks move off
after the collision.
Answers: 1
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 23:40
A2.50 × 105 w motor is used for 26.4 s to pull a boat straight toward shore. how far does the boat move toward shore if a force of 4.20 × 104 n is applied by the motor?
Answers: 2
Arailway truck of mass 800 kg moving with a constant velocity of 5 m/s, collides and couples
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