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Calculate the quantity of heat absorbed by 22g of water that warms from 30°C to 92°C.
A batter strikes a baseball moving horizontally towards him at 15 m/s. the ball leaves the bat horizontally at 24 m/s, determine the change in velocity of the ball
ConsideragainFig.1.12.Nowletthe14-kgweighthangfromthemid- dle of the lower arm (20 cm from the fulcrum). Calculate the biceps force and the reaction force at the joint
A block with a mass of 25 kg is hung midway between two pulleys, with a rope connecting a hook at the top of the block to each of the two pulleys. If the pulleys are 45 cm apart, how far below the level of the pulleys does the top of the 25 kg mas..
A 66-N ? m torque acts on a wheel with a moment of inertia 175 kg ? m2. If the wheel starts from rest, how long will it take the wheel to make one revolution
Determine the acceleration of bodies A and B and the tension in the (non stretching) cable due to the application of the 60 lb force. Neglect all frictional forces and the masses of the pulleys.
A tank of water 3.00m deep sits on a table 1.00 m tall. A hole is located 2.0m from the bottom of the tank. Water flows out of hole and strikes the ground. Where does it strike the ground.
a speck of clay of mass m 0.01 kg strikes and stick to a wooden block of mass m 0.99 kg which rests on a frictionless
An 845-N sled is pulled a distance of 173 m. The task requires 1.20 x 10^4 J of work and is done by pulling on a rope with the force of 142 N. At what angle is the rope held.
A mass on a spring has a angular oscillation frequency of 2.81rad/s. what is the potential energy stored in the mass-spring system when t=1.42s
An automobile traveling at 15.0 km/h along a straight, level road accelerates to 65.0 km/h in 6.00 s. What is the magnitude of the auto's average acceleration
A physics professor demonstrates the Doppler Effect with tying a 600. Hz sound generator to a 1.00 meter-long rope and whirling it around his head in a horizontal circle at 100. rpm. What are the highest and lowest frequencies heard by a student in t..
A 0.750 kg block is attached to a spring with spring constant 15 N/m. While the block is sitting at rest, What is the amplitude of the subsequent oscillations
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