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A 0.240 kg block on a vertical spring with spring constant of 4.20 103 N/m is pushed downward, compressing the spring 0.045 m. When released, the block leaves the spring and travels upward vertically. How high does it rise above the point of release?
A 0.954-kg toy car is powered by 2 C cells (3.00V total) connected directly to a small DC motor. The car has an effective energy conversion efficiency of 52.6%, What is the average current supplied to the car\'s motor
A 1.10kg block is attached to a spring with spring constant 17.5N/m . While the block is sitting at rest, determine The amplitude of the subsequent oscillations
an object of mass 1.00kg travels at 5.0m/s and enters a region of ice where the coefficient of friction is 0.10. determine the distance traveled before coming to a hault
The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.9 mm and is 8.6 cm long. find the average speed of blood in the pulmonary artery
A 1500-kg car moving east at 28.00m/s collides with a 1720 kg car moving south at 15 m/s and the two cars stick together.
Flying due east, the plane flies with the rotation of the Earth, while flying due west, it flies against the rotation. Will the flight times be the same? Different? Why?
The electric potential at a position located a distance of 18.0 mm from a positive point charge of 7.60×10-9C, Calculate the value of the second charge
A beam of neutrons that all have the same energy scatters from the atoms that have a spacing of 9.30×10^?2nm in the surface plane of a crystal
A 30-06 caliber hunting rifle fires a bullet of mass 0.0146 kg with the velocity of 314 m/s to the right. The rifle has a mass of 2.49 kg.
A 2.20-uF capacitor is connected across an ac source whose voltage amplitude is kept constant at 60.0V but whose frequency can be varied, Find the current amplitude when the angular frequency is 100 rad/s
In coming to a stop, a car leaves skid marks 77m long on the highway. Assuming a deceleration of 8m/s2, estimate the speed of the car just before braking.
questionan insulated thermos contains 149 g of water at 71 c. you place in a 10.7 g ice cube at 0 c to form a system of
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