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Problem: A car making a 105-km journey travels 42 km/h for the first 52.5 km. How fast must it go during the second 52.5 km to average 53 km/h?
km/h
Please provide any help is greatly appreciated!
A car with a 65 cm diameter wheel travels 3.0 km. How many revolutions does the wheel make in this distance
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A 15 N block lifted straight upward by a hand applying a force of 15 N has an initial kinetic energy of 7 J. What is the block's final kinetic energy
A person on earth notices a rocket approaching from the right at a speed of 0.71 c and another rocket approaching from the left at 0.67 c. What is the relative speed among the two rockets, as gauged by a passenger on one of them?
The velocity vs. time curve of an object is an increasing straight line. What is the acceleration of the object
three particles of mass m = 0.027 kg are fastened to three rods of length d = 0.13 m and negligible mass. determine the rotational inertia of the assembly
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