Physics, 12.03.2020 06:10 mikeymanfs
A 1050 kg sports car is moving westbound at 15.0 m/s on a level road when it collides with a 6320 kg truck driving east on the same road at 14.0 m/s. The two vehicles remain locked together after the collision. A) What is the velocity (magnitude) of the two vehicles just after the collision?B) At what speed should the truck have been moving so that it and car are both stopped in the collision?C) Find the change in kinetic energy of the system of two vehicles for the situations of part A. D) Find the change in kinetic energy of the system of two vehicles for the situations of part C.
Answers: 1
Physics, 21.06.2019 18:00, Pumpkinputters
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 21.06.2019 22:30, nuhaminbruk
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A 1050 kg sports car is moving westbound at 15.0 m/s on a level road when it collides with a 6320 kg...
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