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The string in the figure is 50.0 cm long. When the 392 g ball is released from rest, it swings along the dotted arc. What is the kinetic energy of the ball at the bottom of the arc?
question1an airplane is flying horizontally with speed 1000 280 while an engine falls off. neglecting air resistance
A ball is kicked and when it leaves the persons foot it has avelocity for wich υ0x=4 m/sec and ν0y=3m/sec.Before begining this problem indicate coordinate system forx/y.
A wheel of radius 0.360 m starts from rest and accelerates uniformly to an angular speed of 18.0 rad/s in 6.00 s. Calculate the final linear speed of a point on the rim of the wheel. In other words, relate the velocity v to the angular velocity ? Cal..
Two point particles of charge Q1 = 48 µC and Q2 = 83 µC are found to have a potential energy of 39 Joule. Obtain what is the distance between the charges
a 280 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is inclined
a refrigerator has a coefficient of performance of 2.10. each cycle it absorbs 3.40 104 j of heat from the cold
The viscosity of water at 25C is about .00089 Pa s. The inner diameter of PE160 polyethylene tubing is 1.14mm. Assume steady state laminar flow. What is the velocity of the flow
A rope goes over a circular pulley with a radius of 7.5 cm. If the pulley makes four revolutions without the rope slipping, what length of rope passes over the pulley
Freight trains can produce only relatively small acceleration and decelerations. What is the final velocity of a freight train that accelerates at a rate of 0.0700 m/s2 for 8.00 min, starting with an initial velocity of 5.00 m/s
a block is pushed up 38 degree incline with a coefficient of kinetic friction of 0.10 by an applied force as shown. if F= 30N and M=8kg
An ambulance with a siren emitting a whine at 1,190 Hz overtakes and passes a cyclist pedaling a bike at 2.1 m/s. How fast is the ambulance moving
A horse ran the Kentucky Derby with times of 25.2 s, 24.0 s, 23.8s, and 23.0 s for the quarter mile. Discover his average speed through each quarter-mile segment.
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