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A 6kg sled is traveling across the ice at a speed of 9m/s when a12kg package is dropped into it from above (assume the package falls completely vertically and sticks to the sled). What is the speed of the sled after this “collision”?
An 8.71-kg block slides with an initial speed of 1.62 m/s down a ramp inclined at an angle of 27.0° with the horizontal. find the distance the block slides before coming to rest
A pipe 0.0178 m in diameter and 0.16 m long can transfer 3726 J of heat per second with a temperature difference across the ends of 5?C. Compare this performance with the heat transfer of a solid silver bar of the same di- mensions by finding the rat..
A viscous fluid is flowing in a constant cross-section, horizontal pipe. With a pressure difference across the pipe of 1 × 106 Pa, what is the new flow rate
A hotel elevator ascends 170 m with a maximum speed of 5.9 m/s. Its acceleration and deceleration both have the magnitude of 1.5 m/s2.
A bead of mass m slides without friction down a track and around a loop-the-loop of radius R. The initial height of the track is h = 3.5R. What is the speed of the mass after going around the loop
A lightbulb has a resistance of 13? and consumes 9.4W of power; the rod is 1.33m long and moves to the left with a constant speed. what is the speed of the rod
A mass of 5. 0 Kg is resting on a horizontal, frictionless surface. If the system is released from rest with the spring in its relaxed state, what is the maximum extension of the spring
In a certain experiment, the pressure of a gas depends on the volume by P=alphaV^2 + betaV^2, where alpha = 3.5 Pa/m^9 and beta = 8.2 Pa/m^6. What is the work done on the gas
question1a 50-kg student on a sled starts from rest at a vertical height of 20 m above horizontal base of a hill and
A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 180 N. What is the actual frictional force when the man has climbed 1.0 m along the ladder
A house is 30.0 ft long and 25.0 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house
A 36g glass thermometer reads 20.6C before it is placed in 104mL of water. What is the original temperature of the water
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