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The above truck now exits a highway by going around a circular exit ramp of constant radius. It goes around the loop with a speed of 14.2 m/s and the cord for the hanging mass makes an angle of q = 11o. What is the radius of the exit ramp?
A mass m swings in a vertical circle at the end of a rope of length L. What is the minimum speed the mass must have at the bottom for it to pass over the top without the string collapsing?
A 1800 kg car is moving westward with a speed of 26 m/s, and a 2900 kg truck is traveling east with a speed of 14 m/s. Find the velocity of the center of mass of the system
A passenger walks from one side of a ferry to the other as it approaches a dock.Passenger's velocity is 1.50 m/s due north relative to the ferry, What is the magnitude and direction of the ferry's velocity relative to the water
A trombone has an effective length of 160 cm and the speed of sound in air is 345 m/s. Notes are selected by moving a U-shaped tube in or out to change effective length of the trombone.
An object falls a distance h from rest. If it travels 0.5h inthe last 1.00s find the time and the height of its fall
A tennis ball is struck at the base line of the court, 11.5 m from the net. The ball is given an initialvelocity with a horizontal component equal to 27.0 m/s at an initial elevation of 1.21 m.
A step-up transformer has 26 turns on the primary coil and 770 turns on the secondary coil. what input current and voltage are needed
Gas in a container is at a pressure of 1.5 atm and a volume of 4.0m3. What is the work done on the gas (a)if it expands at constant pressure to twice its initial volume? (b) if it is compressed at constant pressure to one-quarter its initial volum..
A faulty model rocket moves in the xy-plane (the positive y-direction is vertically upward), What is the horizontal displacement of the rocket when it returns to y=0
A load of 100 Ib at the wing tip of a fighter plane produced a corresponding deflection of 0.78 in.
A 1.15 long ramp is inclined at 14 to the horizontal. A solid ball is released from rest at the top of the ramp. Find its translational acceleration
a 3 kg cart moves on an air track at 1.2 m/s. It collides with and sticks to another cart of mass 5 kg, What is the velocity of the combined cart after collision
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