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Three blocks (A,B,C), each having mass M, are connected by strings as shown. Block C is pulled to the right by a force F that causes the entire system to accelerate. Neglecting friction, what is the net force acting on block B?
A woman holds a tube of lipstick 2.3 cm from a spherical mirror and notices that the image of the tube is upright and one fifth its normal size, Determine the position of the image. Is it in front of or behind the mirror
A student sits on a freely rotating stool holding two dumbels, each of mass of 3.00kg. find the kinetic energy rotating system before and after he pulls the dumbbells inward
A gnat takes off from one end of a pencil and flies around erratically for 18.1 seconds before landing on the other end of the same pencil. find the gnat\'s average speed
Three forces acting on an object are given by 1 = (?2.45 + 5.60) N, 2 = (5.30 ? 1.3) N, and 3 = (?42.5) N. What is the direction of the acceleration
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, estimate the work done on him by air resistance as he fell
A 500g block is released from rest and slides down africtionless track that begins 2.00m above the horizontal. Find the maximum distance the spring is compressed
If you drop an object from a height of 1.3 m, it will hit the ground in 0.52 s. how long will it take the ball to hit the ground
A current of 48.6 mA exists in a wire for 1.20 minutes. What is the rate that charge passes a point in the wire
A woman on a bridge 80.5 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. Find the speed of the raft
A rectangular block of glass (n = 1.52) surrounded by a liquid with n = 1.70. At what angle does the ray leave the glass at point B
The radius of our Sun is 6.96*10^8 m, and its total power output is 3.85*10^26 W. find lambda-max for the Sun
Your nephew swings a rock around his head on a massless string. If the string is 1.5 m long and is 12?degrees from the vertical, what is the period of the rock
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