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A 1.6kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings. Two 490g blocks fall from above, hit the turntable simultaneously at opposite ends of a diameter, and stick.
Part A What is the turntable's angular velocity, in rpm, just after this event?
A contact lens is made of plastic with an index of refraction of 1.36. The lens has an outer radius of curvature of +1.91 cm and an inner radius of curvature of +2.41 cm. What is the focal length of lens?
suppose that all the energy goes into the arrow, with what speed does the arrow leave the bow.
The rope makes an angle of 70° with respect to the vertical. What is the tangential speed of the ball.
What is the smallest distance between the speakers for which the interference of the sound waves is destructive
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (1). What should be the maximum speed of the car so it can round the curve safely.
A 7.5cm diameter circular loop of wire is in a 0.76T magnetic field. The loop is removed from the field in 0.21s, What is the average induced emf
A woman on a 10 speed bicycle travels at 9 m/s relative to ground as a she passes a little boy on a tricycle going in the opposite direction. If the boy is travelling at 1m/s relative to the ground, how fast does the boy appear to be moving relati..
Two polarizers are oriented at 22.0? to one another. Light polarized at a 11.0? angle to each polarizer passes through both
Astronauts on our moon must function with an acceleration due to gravity of 0.170g A. If an astronaut can throw a certain wrench 11.0{rm m} vertically upward on earth, how high could he throw it on our moon if he gives it the same starting speed i..
A pitcher throws a baseball at 41.0 m/s. If the ball thrown horizontally at this speed, explain how much will it drop by the time it reaches the catcher who is 17.0 m away from the point of release?
A container with a pressure of 3 atmospheres and a temperature of 200c contains 36 gram of nitrogen. what is the mean distance between molecules, assuming that the container is a cube
An object that is 27 cm in front of a convex mirror has an image located 13 cm, How far behind the mirror is the image located when the object is 13 cm in front of the mirror
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