How high will ball rise above the release point

Reference no: EM131000014

1. A car travelling along a straight road at 20 km/h begins to gradually increase its speed and after 4 seconds it is travelling at 50 km/h. What is the acceleration of that car, in m/s/s? (Consult Table 3.1 in your text for unit conversion)

2. A car traveling along a straight road at 30 km/h begins to gradually increse its speed and after 4.0 seconds it reaches the speed of 40 km/h. What was the acceleration of that car?

3 You toss-up a ball straight up and it leaves your hand at a speed of 20 m/s. How high, in meters, will it rise above the release point? Assume g = 10 m/s/s.

4. You toss-up a ball straight up and it leaves your hand at a speed of 15 m/s. After what time, in seconds, will it return to your hand? Assume g = 10 m/s/

Reference no: EM131000014

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