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The distance between two telephone poles is 44.5 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, the wire sags 0.220 m. Draw a free-body diagram of the bird. (Do this on paper. Your instructor may ask you to turn in this work.) How much tension does the bird produce in the wire? Ignore the weight of the wire.
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A basketball player has free throws from the foul line. The center of the basket is a horizontal distance of 4.21 m from the foul line and is a height of 3.05 m above the floor. At the maximum height, how far is the ball horizontally from the baske..
In exercising, a weight lifter loses 0.145 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.21 x 105 J. (a) Assuming that the latent heat of vaporiza..
In a double-slit interference experiment, the wavelength is 577 nm, the slit separation is 0.1 mm, What is the linear distance between adjacent maxima on the screen
An ideal gas is confined to a container with constant volume. The number of moles is constant. By what factor will the pressure change if the absolute temperature triples
A mass m = 11.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4093.0 N/m. How much work is done by the spring as it accelerates the mass
A load of bricks with mass = 15.8 hangs from one end of a rope that passes over a small, frictionless pulley. What is the tension in the rope while the load is moving
If the rectangular barge is 3.50m by 24.0m and sits 0.900m deep in the harbor, how deep will it sit in the river
A skateboarder, starting from rest, rolls down a 13.1-m ramp. If the ramp is inclined at 26.5 ° with respect to the ground, what is the component of her acceleration that is parallel to the ground
A gas molecule having a speed of 322 m/s collides elastically with another molecule of the same mass, which is initially at rest. Find the speed of each molecule after collision
a stone falls from rest from the top of a cliff. a second stone is thrown downward from the same height 3.4 s later
A served tennis ball is typically in contact with the racquet for 30 ms and starts from rest. In the fastest serve recorded, How far did the ball travel during the serve
A charged particle of mass .0020kg is subjected to a 5.0T magnetic field that acts at a right angle to its motion. what is the magnitude of the charge on the particle
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