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A strong wind is causing a power line to oscillate.If the power line makes one complete up and down vibration every 5 seconds what is the power line's frequency?
.WHY is a football designed differently to a golf ball?
A train that is 268.7 m long undergoes constant acceleration the moment the last car (end of the train) is outside of the station, how far is the front of the train from the station after 25.0 s if its initial speed before acceleration is 4.48 m/s and its final speed is 27.4 meters per second?


663 m


399 m


667 m


678 m

A firing pin pushes a bullet of 0.8kg with a force of 2000 N from rest out the chamber in less than 0.1 seconds. What is the velocity in which it leaves the chamber ?
Draw a free body Diagram of an 1800 kg car traveling east with an applied force of 300N at a constant speed.
If you push a 35 kg box from rest across a floor in 5 seconds and reach a speed of 15m/s, what is the applied force?
A 95N force is applied to a 412kg mass. How much does the mass accelerate ?
A dog sits 1.5 m from the center of a merry go round with a tangential speed of 2.5 m/s, what is the magnitude of the force that maintains the dog’s circular motion if the dog’s mass is 10kg?
A girl sits in a tire that is attached to an overhanging tree limb by a rope 1.5 m in length. The girl’s father pusher her with a tangential speed of 4.0 m/s. If the magnitude of the force that maintains her circular motion is 110.0 N, what is the girl’s mass?
A piece of clay sits 0.65 m from the center of a potter’s Wheel. If the potter spins the wheel at a tangential velocity of 4.0 m/s, what is the magnitude of the centripetal acceleration of the piece of clay on the wheel?
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