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Q1. A European sports car trader claims that his product will accelerate at a steady rate from rest to the speed of 100 km/hr in 8.00 s. What distance will the sports car travel throughout the 8 s acceleration period?

a) 55.5 m
b) 77.7 m
c) 111 m
d) 222 m
e) 268 m

Q2. A rock is thrown straight up with initial velocity of 19.6 m/s. Determine the time interval elapses between the rocks’s being thrown and its return to the original launch point? (Taking acceleration due to gravity is 9.80 m/s2.)

a) 4.00 s
b) 5.00 s
c) 8.00 s
d) 10.0 s
e) 15.0 s

Q3. A baseball is discharged at rest from the top of Washington Monument. It hits the ground after falling for 6.0 s. Determine the height from which the ball was dropped? (g = 9.8 m/s2 and suppose air resistance is negligible)

a) 1.5 102 m
b) 1.8 102 m
c) 1.1 102 m
d) 2.1 102 m
e) 2.5 102 m

Q4. A ball is thrown upwards vertically at 19.6 m/s. For its whole trip (up and back down to the beginning position), its average speed is:

a) 19.6 m/s.
b) 9.80 m/s.
c) 4.90 m/s.
d) 3.15 m/s.
e) None of the above

Q5. A jogger runs half-way around a circular path with radius of 60 m. What, correspondingly, is the magnitude of the displacement and distance jogged?

a) 60 m, 188 m
b) 120 m, 188 m
c) 0 m, 377 m
d) 120 m, 377 m
e) 60 m, 377 m

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  • Category:- Physics
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