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A spring with a spring constant of 983 N/m is lying on a horizontal, frictionless surface. A mass of 2 kg is pressed into it and compresses the spring 0.28 meters and the mass is held still. The mass is then released. When it leaves the spring, how fast is the mass moving in m/s?
A car is traveling at 81.9 km/hr. The tires have a radius R = 38.4 cm. What is the angular speed of the tire
A 2.16kg object attached to a spring moves without friction and is driven by an external force given by the expression F(t) = F0 sin(2Ï€t), find the period of the driven system when at resonance
A metal rod with a length of 22.0cm lies in the xy-plane and makes an angle of 37.9 degrees with the positive x-axis, What is the magnitude of the emf induced in the rod
The record for the highest speed achieved in a laboratory for a uniformly rotating object was 2.01e3m/s for a 0.15m long carbon rod
A diverging lens (f = -12 cm) is located 20.0 cm to the left of a converging lens (f = 34.5 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
What is the height of the hill . Find the coefficient of kinetic friction between flight bag and floor.
When an aircraft returns to the aircraft carrier and lands, it goes from 273.2 miles per hour to 0 miles per hour in 4 s. Obtain the acceleration in this case
Assume, instead, that the observer had been moving away from Earth with a speed of 0.80c. How much time would observer have measured for the car to be filled in this case.
An Earth satellite has a speed of 29500 km/hr when it is at its perigee, 230 km above Earth's surface. Find the apogee distance, the speed at apogee, and the period of revolution.
A 2000 kilogram sailboat experiences an eastward force of 3000 Newton by the ocean tide and a wind force against its sails with magnitude of 6000 Newton directed toward the northwest, Find the magnitude of the resultant acceleration
When they release their arms, Al moves off in one direction at a speed of 0.689 m/s, while Jo moves off in the opposite direction at a speed of 1.10 m/s. Assuming that friction is negligible, find out Al's mas
A factory workeraccidentally releases a 175 kg cratethat was being held at rest at the top of a 3 m long ramp inclined at 38° to the horizontal. How far will it subsequently slide across the factory floor
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