Find acceleration of the car

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1. A football is filled with mercury and taken into space where it is weightless. Will it hurt to kick this football in space since it is weightless?

2. A 300-N wooden box is at rest on a wooden floor, as shown in figure below (a) What horizontal force is necessary to start the box into motion? (b) If a force of 50.0 N is continuously applied once the box is in motion, what will be its acceleration? [Hint: Solve it based on the problem in you "Friction and Force handout" posted on moodle

3. A 500-kg car is traveling along a highway at 72.0 km/hr. If the driver immediately applies his brakes and the car comes to rest in a distance of 55.0 m, what average force acted on the car during the deceleration?

4. What is the mass of a 660-N person?

5. A constant force accelerates a 1200-kg car from 0 to 75.0 km/hr in 10.0 s. Find (a) the acceleration of the car and (b) the force acting on the car that produces the acceleration.

Reference no: EM133268521

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