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please help can you explain how to do them PRACTICE PROBLEMS 24. A 1975 kg car is parked at the top of a steep 42
please help can you explain how to do them
PRACTICE PROBLEMS 24. A 1975 kg car is parked at the top of a steep 42 m long hill inclined at an angle of 15. If (b) the acceleration of the cyclist if all the car starts rolling down the hill, how fast sources of friction yield an effective will it be going when it reaches the bottom of coefficient of friction of u = 0.11 the hill? (Neglect friction.) (c) the time taken to reach the bottom of the ramp, if friction acts as in (b) 25. Starting from rest, a cyclist coasts down the starting ramp at a professional biking track. If 26. A skier coasts down a 3.5 slope at constant speed. Find the coefficient of kinetic friction the ramp has the minimum legal dimensions between the skis and the snow covering (1.5 m high and 12 m long), find the slope. (a) the acceleration of the cyclist, ignoring friction Chapter 5 Newton's Laws . MHR 191PRACTICE PROBLEMS 27. You flick a 5.5 g coin up a smooth board 28. You are pushing a 53 kg crate at a constant propped at an angle of 25 to the floor. If the velocity up a ramp onto a truck. The ramp initial velocity of the coin is 2.3 m/s up the makes an angle of 22 with the horizontal. board and the coefficient of kinetic friction If your applied force is 373 N, what is the between the coin and the board is 0.40, how coefficient of friction between the crate and far does the coin travel before stopping? the rampStep by Step Solution
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