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A mass moves from rest down an inclined plane with an angle of 60 degrees at the top. The mass is 60.21 kg, the length of the ramp is 2.140 m, it takes 1.4 s to reach the bottom. What is the final velocity, coefficient of friction, and acceleration of the mass down the ramp?
A box is lifted with a pry bar , by slipping the bar under the box and lifting up on the bar. what is the size of the force required to lift the box
A house is 30.0 ft long and 25.0 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house
500 J of work are completed to compress the gas while, in the same process, 1400 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate at potential, What is the potential of the second plate
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
A person who weighs 68 kg steps onto a spring scale in the bathroom, and spring compresses by 0.79cm. (a) what is the spring constant? (b) What is the weight of another person who compresses the spring by 0.34cm.
Which state is best illustrates kinetic friction
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
Illustrate what is the average emf that is induced in this coil if it is in a region where B=2.0 T upward, and the coil's plane is perpendicular to B?
Jupiter is 23.10 m/s2. What is the ratio of your speed on Jupiter to your speed on Earth when you have dropped 45.0 m? Overlook the effects of air resistance and suppose that you start at rest.
A can of soup has a mass 420 g, height 13 cm, and diameter 5.6 cm. Calculate the moment of inertia of the can if it takes 1.5 s to reach the bottom of the incline
A cylindrical glass of water (H2O) has a radius of 4.38 cm and a height of 12.3 cm. The density of water is 1.00 g/cm3. How many moles of water molecules are contained in the glass
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