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The handle of a 22-kg lawnmower makes a 35 degree angle with the horizontal. If the coefficient of friction between the lawnmower and ground is 0.68, what magnitude of force is required to push the mower at constant velocity? Assume the force is applied in the direction of the handle. Compare the force with the mower's weight.
A 0.30-m-radiusautomobile tire accelerates from rest at a constant 2.0rad/s2 overa 5.0-s interval. What is the tangential component of acceleration
question a flywheel turns through 28 rev as it slows from an angular speed of 6.1 rads to a stop. a assuming a constant
A 5.0 kg mass experiences a force of 40 N when placed a height of 5 km. What is the value of acceleration due to gravity at this point
A square, 0.141 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. What is the magnitude of the maximum torque that such a force could produce
the drawing shows a skateboarder moving at v 5 ms along a horizontal section of a track that is slanted upward by
Light of 550nm is incident on two slits. A maximum is seen at an angle of 4.10 degrees and a minimum at 4.78 degrees. What is the distance between the slits
A car of mass M = 1000kg traveling at 60.0km/hour enters a banked turn covered with ice. What is the radius (r) of the turn if theta = 20.0 degrees
An x-ray photon of initial energy 50.0 keV Compton scatters from an electron that is initially at rest. find the wavelength of the back-scattered photon
You stand on a frictional platform that is rotating at 1.3 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
A body of mass 5.0 kg is suspended by a spring, which stretches 10 cm when the mass is attached. What is its position as a function of time
A lamp (R = 155 ), an electric heater (R = 27 ), and a fan (R = 51 ) are connected in parallel across a 118 V line. What power is expended in the heater
Ice water is heated to boiling in a 500mL beaker. The beaker's temperature from 0°C to 100°C. What is the change in volume of the beaker
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