Physics 2.1 worksheet.pdf

# Physics 2.1 worksheet.pdf - 2 Mechanics 2.1 Motion Name...

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1 2 Mechanics 2.1 Motion Name: ………………………………. Date: ………………………………. Motion worksheet For this worksheet use g = 9.81 ms –2 . 1 A ball rolls down a 445 m slope from rest. If it accelerates at a rate of 3.16 ms –2 , determine the time it takes to reach the bottom of the slope and the ball’s final velocity. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. 2 How far does a car travel in 45 seconds if it has an acceleration of 0.32 ms –2 ? Assume that it starts from rest. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. 3 A toy car starts from rest and accelerates at a uniform rate of 4.0 ms –2 for 3.0 seconds. It then maintains a uniform speed for 12.0 seconds. Finally it takes 6.0 seconds to decelerate uniformly to rest. Find the total distance travelled and the average speed of the entire trip. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. .................................................................................................................................................................................. ..................................................................................................................................................................................

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2 2.1 Motion 4 A car travels 25.0 km of a 50.0 km trip at an average speed of 40.0 kmh –1 . It travels the second half of its journey at an average speed of 80.0 kmh –1 . A truck makes the same trip but spends half of its time at an average speed of 40.0 kmh –1 and the other half of its time at an average speed of 80.0 kmh
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