Problem on horizontal component of pendulums displacement
A 16 g rifle bullet traveling 215 m/s buries itself in a 3.4 kg pendulum hanging on a 2.9 m long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's displacement.
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A 1500- car drives at 30 around a flat circular track 300 in diameter. What are the magnitude and direction of the net force on the car?
What is the maximum speed with which a 1180 kg car can round a turn of radius 75 m on a flat road if the coefficient of static friction between tires and road is 0.80?
An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. Immersed in oil, the object appears to weigh 275 N. Find (a) the density of the object and (b) the density of the
A railroad car with a mass of 2.00 * 10^4kg is moving at 3.00m/s, each with the same mass as the single car and initially moving in the same direction at 1.2 m/s. what is the decrease in kinetic energy after the collision?
A gas is compressed at a constant pressure of 0.836 atm from 6.34 L to 4.3 L. In the process, 550 J of energy leaves the gas by heat. What is the work done on the gas?
Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 320 N to the right. If they pull in opposite directions, the raft experiences a net external force of 109 N to the l
A small ball of mass 81 g is suspended from a string of length 26 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 23? with the vertical, find the centripetal force experienced by the ball. The acceleratio
A fully loaded Volvo station wagon has a mass of 2000 kg. If each of its four tires is inflated to a gauge pressure of 215 kPa, what is the total tire area in contact with the road?
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