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A cable is lifting a construction worker and a crate, as the drawing shows. The weights of the worker and crate are 833 N and
1. 1 answer
2. 6,837 views
Two balls are approaching each other head-on. Their velocities are +11.9 and -10.5 m/s. Determine the velocity of the center of
1. 1 answer
2. 2,186 views
An automobile has a mass of 1520 kg and a velocity of 19.7 m/s. It makes a rear-end collision with a stationary car whose mass
1. 0 answers
2. 595 views
A baseball (m = 148 g) approaches a bat horizontally at a speed of 43.8 m/s (98.0 mi/h) and is hit straight back at a speed of
1. 1 answer
2. 3,396 views
After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of
1. 0 answers
2. 492 views
A 95.9-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is ìk
1. 2 answers
2. 704 views
A diver springs upward with an initial speed of 1.66 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the
1. 2 answers
2. 1,615 views
A truck is traveling at a speed of 33.1 m/s along a level road. A crate is resting on the bed of the truck, and the coefficient
1. 0 answers
2. 820 views
On a banked race track, the smallest circular path on which cars can move has a radius of 119 m, while the largest has a radius
1. 0 answers
2. 445 views

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