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A 3.2 kilogram ball strikes a wall with a velocity of 6.4 m/s to the left. The ball bounces off with a velocity of 5.3 m/s to the right. If the ball is in contact with the wall for 0.25 second, determine what constant force exerted on ball by the wall?
Answer in units of N.
Two students perform an experiment with a train and a ball. Student A rides on a flatcar pulled at 8.35 m/s by a train on a straight, horizontal track. Student B stands at rest, on the ground near the tracks. Student A throw ball with an initial ange..
An object with a mass of 0.020kg is moving at 80m/s when it slams into and sticks to the end of a thin rod that is fixed on the top of a table. The rod has a mass of 6.00 kg and a total length of 2.0m.
A solid, uniform disk of radius 0.250 meter and mass 48.7 kilogram rolls down a ramp of length 4.00 meter that makes an angle of 16.0 degree with the horizontal. Obtain the angular speed of the disk at the bottom of the ramp
The potential difference across a resting neuron in the human body is about 105.0 mV, How much power does the neuron release
a peanut is placed 42 cm in front of a two-lens system lens 1 nearest the peanut has a focal length f1 20 cm lens 2
A guitar string is vibrating in its fundamental mode, with nodes at each end. The length of the segment of the string that is free to vibrate is 0.388m. What is the wave speed for the transverse traveling waves on this string
You are at a rock concert and find that when you stand 15 m from a speaker, the intensity is so high that it hurts your ears. how far from the speaker should you stand
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
A rock climber throws a small first aid kit to another climber who is higher up the mountain. What is the vertical height between the two climbers
a object is found to move with an acceleration of magnitude 12 ms2 when it is subjected to a force of magnitude 200 n.
In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. What is the frequency of the generator
a plane flying horizontally at a speed of 50.0 ms and at an elevation of 160 m drops a package. two seconds later it
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