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Workers are dragging a 610kg block up a dirt ramp that isinclined at 13o above the horizontal. They are exertinga 5600-N force parallel to the ramp. The block is accelerating at0.49 m/s2A) Find the magnitude of the net force acting on the block.B) Find the components of the weight of the block (i)parallel and (ii) perpendicular to the ramp.C) What is the magnitude of the friction force acting onthe block?D) Find the coefficient of kinetic friction for theblock and dirt ramp.
If a particle of mass 4.9 kg is moving east at 10 m/s and a particle of mass 19 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair
You took a job as a space station scientist. On a spacewalk you get separated from the station. At what speed will you move back toward the station
A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 514 Hz and has a speed of 30.0 m/s. The motorcycle has a speed of 13 m/s. What frequency does the motorcyclist hear?
A 640- hollow ball 25cm in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 0.78 Hz .What is the torsional constant of the wire?
Equipotential surface A has a potential of 5950 V, while equipotential surface B has a potential of 8400 V. How much work is done by the outside force in moving the particle from A to B
The sinusoidal wave is traveling in the positive x-direction and has a frequency of 21.4 Hz. The wavelength is 10.4 cm, the amplitude is 4.13 cm, and the period is 0.047 seconds. What is the wave's speed?
Two cars are driving along Robinson Street during an ice storm when they hit a patch of ice. how fast will the two cars be moving
When starting a foot race, a 70.0-kg sprinter exerts an average force of 650 N backward on the ground for 0.800 s. What is his final speed
A two-slit pattern is viewed on a screen 1.05 m from the slits. If the two third-order minima are 25.0 cm apart, what is the width of the central bright fringe
During a drive by golfer, the angular velocity of his club is zero at the top of the backswing and 34 rad/s at the bottom of the downswing just before impact with the ball, what is the average angular acceleration of the club
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 57.0 kg and a radius R = 0.625 m...
Determine the efficient spring constant of the molecule
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