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A 70 kg object is being pulled up a slope of 35 degrees with the horizontal so that the rope is parallel to the slope. If the object is accelerating up the ramp at 0.6 m/s2 and the coefficient of kinetic friction is 0.4, what is the magnitude of the force pulling the block? Start with a free body diagram.
A jetliner is moving at a speed of 216 m/s. The vertical component of the plane's velocity is 79.70 m/s. establishes the magnitude of the horizontal component of the plane's velocity.
A person A is pulling an object with a force of 100 N along the East direction. With what force and in which direction should you pull so that the object does not move
A transformer operating from 79 V (rms supplies a 18.3 V lighting system for a garden. Find the equivalent resistance of the system
Light of wavelength 646nm from a distant source is incident on a slit .720mm wide, What is the distance between the two dark fringes on either side of the central bright fringe
A spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A.
A puck of mass 8 kg moving at 8m/s strikes an identical puck that is stationary on frictionlessice. After the collision, the firstpuck leaves with a speed of v1 at an angle of 31.4757? with respectto its original line of motion and the second puck le..
A hoop (I = MR^2) of mass 2.0 kg and radius 0.50 m is rolling at a center-of-mass speed of 15 m/s. What is the new speed of the center of mass of the hoop?
A person with mass m1 = 60 kg stands at the left end of a uniform beam with mass m2 = 91 kg and a length L = 3.2 m, What is the location of the center of mass of the system
sometimes a person cannot clearly see objects close up or far away. to correct this type of vision bifocals are often
What woud happen if a person would dropp an object from a ships mast with no wind blowing and the ship moving forward. Where will the object fall and why
A 6 kg block, starting from rest, slides down a frictionless incline of length 2 m. When it arrives at the bottom of the incline its speed is vf. At what distance from the top of the incline is the speed of the block 0.5 vf.
A cook puts 8.80 g of water in a 2.00-L pressure cooker that is then warmed to 480°C. What is the pressure inside the container
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