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Q1. The horizontal component Fx is shown by the histogram below as function of position along x-axis. There is also a kinetic frictional force of 0.50 N between mass and surface.
Q2. If the price of electrical energy is 0.06737 dollars per kilowatt-hour, what is the cost of using electrical energy to heat water in a swimming pool (14.7 m x 11.7 m x 1.54 m) from 12.3 to 25.3 °C?
A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.
A box with a mass of 8 kg is lifted (without acceleration) through a height of 9 m, in order to place it upon the shelf of the closet.
A 2.50-g bullet travelling at a speed of 425 m/s, strikes the wooden block of a ballistic pendulum, such as that Figure in 7.12. The block has a mass of 215 g. Calculate the speed of the bullet/block combination quickly after the collision.
A Sphere on a Horizontal Surface starts from Rest. If the Force is applied facing to the Right at the Top furthest Point of the Sphere from the Horizontal Surface, the Sphere will start experiencing Roll and Slip at the same time. In which directi..
What will most likely cause arcing at the switch contacts.
A floodlight with a mass of 46.00 kg is used to clarify the parking lot in front of a library. The floodlight is supported at the end of horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 29 degrees with the beam is att..
Consider the 642 N weights held by two cables shown. The left-hand cable had tension T2 and makes an angle of thelta2 with ceiling. The right-hand cable had tension 460 N and makes an angle of 47 degrees with the ceiling.
Two bicycle tires are set rolling with the equivalent initial speed of 5.0 m/s along a long, straight road, and distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 {rm psi} and goes the dist..
Determine the angular acceleration of the pulleys and the tension T in the cord supporting the 612 Kg mass when it is released from rest.
Find the distance point P on the tip of the blade has traveled in 3 sec. Also, find the magnitude of the acceleration of point P when t = 3 sec.
Where is center of mass of the system
A 12.0 kg box resting on the horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, light wire that passes without slippage over the frictionless pulley. The pulley has the shape of the uniform solid disk of mass 2.10kg and diame..
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