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A vehicle is traveling at 7.0 m/s when the driver applies the brakes. The vehicle moves 1.5 meter before it comes to a complete stop. If the vehicle had been moving at 14 m/s, compute how far would it have continued to move after the brakes were applied? Suppose the braking force is constant.
A beam of white light is passed through a prism at an angle of 30o and separated into a spectrum. What is the index of refraction for each color
Holding a long rope by its upper end, you lower itonto a scale. Calculate the thrust exerted by the rope as it lands on the scale
at the science olympiad competition a group of middle school students uses a trebuchet that launches a tennis ball from
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.220 s. Find the angular velocity of the disk
An outboard motor for a boat is rated at 36 hp h. If it can move a particular boat at a steady speed of 30 km/h , what is the total force resisting the motion of the boat
A sprinter accelerates from rest to a top speed with anacceleration whose magnitude is 3.60m/s2. After achieving top speed, he runs the remainderof the race without speeding up or slowing down.
A magnetic field has a magnitude of 0.0014 T, and an electric field has a magnitude of 4.2 × 103 N/C. compute the magnitude of the net force that acts on the charge
A 9400 kg boxcar traveling at 16 m/s strikes a second boxcar at rest. The two sticktogether and move off with a speed of 8.0m/s. What is the mass of the second car
a parallel plate capacitor is composed of two square plates 38.0 cm on a side separated by an air gap of 0.80 mm.a what
A 0.180kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal tabletop that is 1.40m above the floor. what is the speed of the block of ice when it reaches the floor
Two long, straight, parallel wires of length 4.5 m carry parallel currents of 3.1 A and 1.1 A. If the wires are separated by adistance of 3.4 cm, what is the magnitude of the force between the two wires?
Two wires A and B made of the same material and having the same lengths are connected across the same voltage source. what is the ratio of their diameters
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