What is the minimum distance needed to stop the car

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Q1. A certain compact disc player draws a current of 290 mA at 36.0 V. How much power is necessary to operate the player?

Q2. Assume a car's brakes can produce an acceleration of -7 m/s2. If the car is travelling at an initial speed of 28 m/s, what is the minimum distance needed to stop the car?

Q3. A spaceship moves past you at speed v. You calculate the ship to be 364 m long, whereas an astronaut on the ship measures a length of 420 m. Find v.

Reference no: EM138419

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