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A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = 0.80 kN/m). The block is initially at rest at its equilibrium position when a force (magnitude P= 80 N) acting parallel to the surface is applied to the block, as shown. What is the speed of the block when it is 13 cm from its equilibrium position?
find the net rate of radiation by a pot at 35.7°C that has been placed in a -23.9°C freezer. The pot's surface area is 0.111 m2 and its emissivity is 0.655.
The following three forces act simultaneously on the same object. A = 300 N, 300 N of E; B = 600 N, 2700; and C = 100 N due east. Find the resultant force using the polygon method
A 55 kg swimmer is standing on a stationary 225 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.7 m/s relative to theshore. Find the recoil velocity that the raft would have if there were no friction and resist..
A rocket-powered hockey puck has a thrust of 1.00 N and a total mass of 2.10 kg. How far does the puck land from the base of the table
A luggage handler pulls a suitcase of mass 30.8 KG up a ramp inclined at an angle 18.3 degrees above the horizontal by a force of magnitude 290 N that acts parallel to the ramp. Calculate the work done on the suitcase by the force
A plane lands with a speed of 51.0m/s. Each wheel of the plane has a radius of 1.25 meter and a moment of inertia of 110kg•m2. Find the coefficient of kinetic friction between runway and wheels
A sphere of radius 4.34 cm and a spherical shell of radius 6.72 cm are rolling without slipping along the same floor. The two objects have the same mass. What should the ratio of the sphere\'s angular speed to the spherical shell\'s angular speed b..
Two cars of 2000 %u2013kg each collide head-on while traveling at 75.0 miles per hour. What is the temperature increase of the cars
Find the change in the force of gravity between two planets when the dinstance between them becomes 10 times smaller.
A set of 20 stairs, each of 20-cm height, is ascended by a 700 N man in a period of 1.25 s. Compute the mechanical work, power, and change in potential energy all through the ascent. I have 2800J. Where do I go from here.
The force of an explosion on the piston of a gasoline engine is due to the change of momentum of the gas particles. What must be the speed of the molecules of gas after the explosion
Two charged objects experience a mutual repulsive force of 0.71 N. If the charge of one of the objects is reduced by half and the distance separating the objects is quadrupled, what is the new force? (Enter the magnitude of the force.)
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