How fast (in rpm) must a centrifuge rotate
How fast (in rpm) must a centrifuge rotate if a particle 8.00 cm from the axis of rotation is to experience an acceleration of 125,000 g's?
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What are (a) the period of the motion, and the magnitude of her centripetal acceleration at (b) the highest point and (c) the lowest point?
a- What force do you need to exert to accomplish this? b- what are the magnitude and direction of the friction force on the upper box?
Your driveway is 3 meters long, and your house is 2.3 meters above the street. Assuming no friction, what is the speed of a 0.5 kg toy truck at the bottom of the driveway, if it starts from rest at the top?
The drawing shows a horizontal beam of light that is incident on a prism made from ice. The base of the prism is also horizontal. The prism (n = 1.31) is surrounded by oil whose index of refraction is 1.48. Determine the angle that the exiting lig
The ladder makes an angle of 55 with the horizontal and the friction between the ladder and floor is 300.5N, How far up the ladder can the woman of mass 53kg go before the ladder start to slip?
A 0.390--long cylindrical capacitor consists of a solid conducting core with a radius of 1.30 and an outer hollow conducting tube with an inner radius of 2.15 . The two conductors are separated by air and charged to a potential difference of 6.20.
A candle is placed 16.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7.5 cm farther away from the mirror. Find the focal length of the convex mirror.
Hanging on the ladder are two masses. The first mass is 9.9 kg and is located 5% from the ladder's base. The second mass is 7.1 kg and is located 4% from the top of the ladder. What is the smallest angle (in degrees) between the floor and ladder t
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