A motorist enters a motorway at a velocity of 8 m/s and accelerates uniformly. After traveling for about 172 meters the velocity increases to 23 m/s. Determine the acceleration of the car.
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- How long will it take for a car, starting from rest, to acquire a speed of60 mi/hr if its acceleration is 12 ft/sec 2?A train travels between two stations 792 m apart in a minimum time of 41 seconds. If the train accelerates and decelerates at 2.4 m/s, starting from rest at the first station and coming to a stop at the second station, what is the maximum speed?A race car accelerates uniformly from 20 m/s to 50 m/s in 3 sec. Determine the acceleration of the car ang the distance traveled.
- Specifically a dynamics problem: A particle travels along a straight line such that its position is defined by s = (t2 - 6t + 5) m. Determine the average velocity, the average speed, and the acceleration of the particle when t = 6 s.A piece of electronic equipment that is surrounded by packing material is dropped so that it hits the ground with a speed of 4 m/s. After contact the equipment experiences an acceleration of a- kx , where k is a constant and x is the compression of the packing material. If the packing material experiences a maximum compression of 20 mm, determine the maximum acceleration of the equipment.Two American football players with a mass of 75 kg and a mass of 100 kg towards each other at a speed of 6 m/sec and 8 m/sec respectivelythey run. Immediately after hitting each other, they move together at the same speed. Two footballers killed after collisionwhich of the following is its speed?Please select one:a.4.6 m / sb.6.9 m / sc.3.4 m / sd.2 m / se.7.1 m / s
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