A car is moving at 25 m/s along a straight highway. How long it will take the car to stop if it decelerates at 10 m/s every second?
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Q: 12. How long will it take a 2750-W motor to lift a 385-kg piano to a sixth-story window 16.0 m…
A: Given, Power = 2750 W mass = 385 kg length = 16 m
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Q: Calculate q when a system does 57.7 J of work and its energy decreases by 71.47 J
A: Given data: Work done by system on surrounding W = -57.7 J Change in internal energy (ΔU) = -71.47…
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Q: How long will it take a 25 kW motor to lift a 1200 kg elevator from the ground to the 30th story of…
A: Power = 25 kW = 25000 WattsMass =1200 KilogramsHeight = 129 meters
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A: Write the given values with the suitable variables. W=150 kgf=150×10 NP=1.5×104 J Here, W is the…
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