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A 1.75 block slides with a speed of 0.925 on a frictionless horizontal surface until it encounters a spring with a force constant of 869 . The block comes to rest after compressing the spring 4.15. Find the spring potential energy, the kinetic energy of the block, and the total mechanical energy of the system, for compressions of 0. Find the spring potential energy, the kinetic energy of the block, and the total mechanical energy of the system, for compressions of 1.00.
A hockey puck impacts a goalie's plastic mask horizontally at122 m/h and rebounds horizontally off the mask at 47mi/h. Find the average force that the puck exerts on the mask
The height of the lower part of the container is 2.5-m and the neck contains a column of water 8.50-m high. The total volume of the column of water in the neck is 0.200 m^3. What is the magnitude of the force exerted by the water on the bottom of ..
question1friend of yours travels by you in his fast sports car at a speed of 0.550 c. it is measured in your frame to
A 10.0-cm long wire has a diameter of 0.1 mm and a resistivity of 4.0 ´ 10-7 ohm-cm, A 6.0-volt battery is connected to the resistance, What current exists in the circuit
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of0.695rad/s. After what time will the dog reach the bone
a circuit consists of an ideal ac generator a 20nbspmicrof capacitor and an 90?nbspresistor all connected in series.
The punter on a football team tries to kick a football so thatit stays in the air for a long "hang time." what is the hangtime
During a circus performance, a 70.3-kg human cannonball is shot out of an 15.4-m-long cannon. determine the average net force exerted on him in the barrel of the cannon
For a jetliner to arrive at its destination on time it must fly with a velocity of 555 mph on a heading of 38 degrees NE. The wind is blowing with a velocity of 65.2 mph on a heading of 15.8 SE What should the velocity of this jet be for it to ar..
In the drawing the head-up display is designed so that the distance between the digital readout device and virtual image 1 is 1.60 m. Find the focal length of the concave mirror
Through an ecology experiment, an aquarium half full with water is placed on a scale. The scale reads 195 N. A rock weighing 8 N is added to the aquarium. If the rock sinks to the bottom of the aquarium, what will the scale read?
One particle has a mass of 4.00 10-3 kg and a charge of +9 µC. A second particle has a mass of 7.00 10-3 kg and the same charge. Find the initial separation between the particles
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