What is the balls speed
A 0.135-kg ball, moving in the positive direction at 14 m/s, is acted on by the impulse shown in the graph below. What is the ball's speed at 4.0 s?
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A dry cell does 7.5. J of work through chemical energy transfer 5.00 C between terminals of the cell. What is the electric potential between the two terminals?
A potter's wheel having a radius 0.47 m and a moment of inertia 10.9 kg·m2 is rotating freely at 46 rev/min. The potter can stop the wheel in 7.0 s by pressing a wet rag against the rim and exerting a radially inward force of 68 N. Find the
Find the potential difference V1 - V2. Point 1 is at the center of the plastic sphere, and point 2 is just outside the sphere.
A 61-kg skier is going down a slope oriented 32° above the horizontal. The area of each ski in contact with the snow is 0.13 m2. Determine the pressure that each ski exerts on the snow.
The space between the plates is then filled with a dielectric material, with dielectric constant K= 5.07. What must the magnitude of the charge on each capacitor plate now be, to produce the same potential difference between the plates as before?
a meter stick with a mass of 89.5 g is being supported at the 50.0 cm mark with a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of the stick about that point is 0.00746 kgm^2. What is the period of oscill
A projectile is fired horizontally from a gun that is 38.0 m above flat ground, emerging from the gun with a speed of 390 m/s. (a) How long does the projectile remain in the air?
a ferry boat is 4.0 m wide and 6.0 m long. when a truck pulls onto it, the boat sinks 4.0 cm in he water. what is the weight of the truck?
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