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An object (mass 10.0 kg) slides upward on a slippery vertical wall. A force F of 60N acts at an angle of 60 degrees. determine the normal force exerted on the object by the wall and determine the object's acceleration.
What is the velocity of the plank relative to the surface of ice.
A particle of charge +2.56 x 10-6 C is 12.4 cm distant from a second particle of charge -1.55 x 10-6 C. Calculate the magnitude of the electrostatic force between the particles
In the meantime, this means the refrigerator produces 1.2177E+4 J of thermal energy that it expels into the kitchen as a result. What is the total work done by the compressor motor in the refrigerator
If the Volume of the vessel is 20 then we know that the maximum amount of displaced fluid will be [v] units and when you place the vessel in the water there will be [u] units of fluid displaced, which will flow into the graduated cylinder.
With brakes fully applied, a 1430kg car decelerates from a speed of 74km/hr. What is the work done by the braking force in bringing car to a stop.
A sticky hockey puck slides along a frictionless horizontal ice surface at 75m/s in the + x-direction. what is the angle of their final velocity vector below the +x direction
A heat pump extracts 7.0*10^6 J heat per hour from a well at 280K and delivers its output heat into a house at 320K. what minimum work must be supplied to the heat pump per hour
A 9 m, 260-N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.5, and the ladder makes a 50° angle with the ground. How far up the ladder can an 800-N person climb before the ladd..
A physics student has designed a winter game. He has a platform 4.6 meters high with a rope tied to a tree at the same height, how fast are the boys and the sled moving after they "collide"
You can think of the work?kinetic energy theorem as a second theory of motion, parallel to Newton's laws in describing how outside influences affect the motion of an object. Use the work-kinetic energy theorem to find the net work that is done on t..
Two ocean liners, each with a mass of 38,000 metric tons, are moving on parallel courses, 92 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction? Treat the ships as par..
The current supplied by a battery in a portable device is typically 0.131 A. Find the number of electrons passing through the device
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