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A 10.0 g object moving to the right at 18.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 27.0 cm/s. Find the velocity of each object after the collision.
A spring with constant k=30N/m is used to shoot a block (mass 1kg) across a frictional horizontal surface. what is the force of friction acting on the block
The flash of a digital camera totally consumes the energy of an arrray of identical 7 F capicitors when a picture is taken, How many capicitors are in the array
The wake of a speedboat is 17â?? in a lake where the speed of the water wave is 2.8km/h. What Is the speed of the boat
A 950-kg car traveling west at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Find the speed of the wreckage just after the collision
By how much does the potential energy of a 15.0-kg child increase. Find v0.
A novice skier, starting from rest, slides down a frictionless 34° incline whose vertical height is 128 m. How fast is she going when she reaches the bottom.
A 18.2-? resistor is made from a coil of copper wire whose total mass is 18.5g. What is the diameter of the wire
An football is punted at 25.0 m/s at an angle of 30.0 degree above the horizon. What is the velocity vector of the ball when it is 5.00 m above the level ground
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.70 m long conducting wire, Determine the tension in the wire
Now suppose the gliders in the previous problem collide completely inelastically so that they stick together rather than rebounding off each other after they collide. Compare the initial and final kinetic energies
A lawn mower is pushed at constant speed by a horizontl force of 10.0 lbs. determine the work done by the person
A uniform plank of length 4.9m and weight 228N rests horizontally on two supports, with 1.10m of the plank hanging over the right support. To what distance x can a person who weighs 449N walk on overhanging part of the plank before it just begins ..
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