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At the end of a factory production line, boxes start from rest and slide down a 30 degrees ramp 5.4 m long. If the slide is to take no more than 3.3 s, what is the maximum coefficient of friction between the box and the slide?
A Carnot engine whose high-temperature reservoir is at 680{\rm K} takes in 530{\rm J} of heat at this temperature in each cycle, What is the temperature of the low-temperature reservoir
q1. starting from rest an13 kg block slides13.3 m down a frictionless ramp inclined at 30? from the ?oor to the bottom.
While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass, how fast is the person running
A projectile is fired in such a way that its horizontal range is equal to 14 times its maximum height. What is the angle of projection
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate
A cube of mass m = 7.15 kg is placed on an inclined plane of mass M = 6.67 kg, which makes an angle ? = 48.30° with the horizontal. What is the normal force on the inclined plane from the table underneath it
A solution has a hydronium-ion concentration of 1.0 x 10-5 mol per liter. What is the hydroxide-ion concentration of this solution
Transverse waves travel at 23.3 m/s on a string that is under a tension of 7.00 N. What tension is required for a wave speed of 33.3 m/s in the string
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 25 km/h
A car moving at 20.0 m/s decelerates at 7.00 m/s2. How far will it travel before stopping
a massive particle, rest mass M absorbs a photon. The inertial mass increases to 1.05 M. Determine the energy of the incoming photon
A 87 g arrow is fired from a bow whose string exerts an average force of 105 N on the arrow over a distance of 76 cm. Illustrate what is the speed of the arrow as it leaves the bow?
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