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A 2.2 kilogram cart is rolling along a frictionless, horizontal track towards a 1.2 kilogram cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain instant before the carts collide, the first cart's velocity is +3.3 m/s, and the second cart's velocity is -1.2 m/s.
(a) Find the total momentum of the system of the two carts at this instant?
(b) Find the velocity of the first cart when the second cart was still at rest?
The rectangular metal loop in following figure has a resistance of 2? except the 0.5W, 0.1A bulb attached to it. What is the direction of current flow
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a wedge-shaped sliver of glass viewed from above is illuminated with 436-nm light. the sharp edge is dark. what is the
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In a high magnetic field experiment, a conducting bar carrying10.0 kA passes through a 30 centimeter long region containing a 30.0 T magnetic field. determine what force is necessary to hold it in place
q1. a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 325 kmh in a semicircular
A mass of 1.62 kg stretches a vertical spring 0.328 m. If the spring is stretched an additional 0.136 m and released, how long does it take to reach the (new) equilibrium position again.
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Each wave has an amplitude of 7.00 cm. Find the amplitude of the resultant wave
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A professor walks in a long hall carrying a vibrating 512Hz tuning fork. The end of the hall is closed so that sound reflects from it. The student hears 4 beats per second. How fast is the student walking and in what direction.
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