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A small plane tows a glider at constant speed and altitude. If the plane does 2.09 105 J of work to tow the glider 130m and the tension in the tow rope is 2535 N, what is the angle between the two rope and the horizontal.
A marble is rolled down a ramp with a height of .15 m. The marble travels a distance of 1.38 m. What is the velocity of the marble
a bicyclist of mass 54 kg puts all his weight on each downward-moving pedal as he pedals up a steep road. determine the magnitude of the maximum torque he exterts in the process
Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB for a period of 9.00 hours, How much sound energy is incident on the eardrum during this time
Write down an expression for the efficiency of the air cart bumper in terms of the initial and final kinetic energy of the cart. What defines a collision as elastic or inelastic.
A very large cylindrical tank vented to air contains a layer of oil on top of water. At the bottom of the container there is a horizontal pipe of very small radius, What is the unknown thickness of oil in the tank
Three capacitors, C1 = 3.30 µF, C2 = 7.26 µF, and C3 = 1.23 µF, are connected in series, What is the charge on the positive plate of the capacitor C2
Three 15.53-g Styrofoam balls of radius 2 cm are coated with carbon black to make them conducting and then are tied to 1.15-m-long threads and suspended freely from a common point
Find out the maximum height that the rocket reaches (neglecting air resistance) when the fuel is exhausted.
A piston, A, as shown below, has a diameter of 0.61 cm. A second piston, B has a diameter of 3.7 cm. Determine the force, F, necessary to support 500.0 N weight in the absence of friction.
An infinite line of charge has linear charge density 5.50x 10-12 C/m. A proton (mass 1.67x 10-27 kg, charge +1.60 10-19 C) is 18.0 cm from line and moving directly toward the line at 1.20 x10^3 m/s. How close does the proton get to the line of char..
calculate the speed of the block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across the capacitor after the dielectric is removed is measured to be 900 V.
A steel beam that is 7.00m long weighs 330N. It rests on two supports, 3.00m apart, with equal amounts of beam extending from each end. Suki, who weighs 505 N, stands on the beam in the center and then walks toward one end. How close to the end can s..
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