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A spring-loaded gun fires a 0.080-kg puck along a tabletop. The puck slides up a curved ramp and flies straight up into the air.
(a) If the spring is displaced 24.5 cm from equilibrium and the spring constant is 875 N/m, how high does the puck rise, neglecting friction?
(b) If instead it only rises to a height of 5.00 m because of friction, what is the change in mechanical energy?
an electrically charged particle moves along a circle in a region of uniform magnetic field of magnitude B = 4.00mT. calculate the radius of the circle
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A bank robber travelling at 75mi/hr in an escape car suddenly sees a barricade 150 m ahead. The robber slams on the breaks following a 0.75 delay (the drivers reaction time) After the brakes are applied, the car decelerates at 4.2m/s^2. Will th..
It stops 90 cm from where you free it. The spring steady is 370 N/m. What is the coefficient of kinetic friction between the block and the table.
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