Determine the pressure that each ski exerts on the snow
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.
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A see saw is made of a uniform board 2.6 m long. A girl weighing 440 N sits on the left end, and a boy weighing 640 N sits on the right end. The see saw is balanced when the board is pivoted 1.1 m from the right end. How much does the board weigh?
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 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?
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?
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