DDDDDDDDDDDD

2. •An object is moved with a
force of 28N across a
horizontal surface. How
much work is done if the
object is move 45m?

3. W=1,125J

4. •How much work is done
in lifting a 21kg box
3.5m off the floor?

5. W=720.3J

6. •How much work is done
while walking 8.0m
holding an object with
mass of 4.0kg?

7. W=313.6J

8. Anna has weight of 437N.
what is her power output in
watts and in horsepower
when she climbs a stair
4.8m high in just 5.9s?

9. P=355.52w

10. Suppose Emmanuel is
moving a 30kg box of
books. He exerts a force of
60.5N to push the box
15.0m in 30s?

11. P=30.25w

12. Prince walks up the stairs on her
way to class. He weights 70kg
and the stairs go up 4.25m
vertically. Compute for his power
output if he climbs the stairs in
15.6s?

13. P=186.89w

14. How much KE in
0.279kg baseball thrown
at 40.9m/s2?

15. KE=233.35J

16. How much KE possessed
by a 70kg female volleyball
player moving downward at
4.3m/s after a block

17. KE=647.15J

18. A 98kg running back
moving forward 5.0m/s.

19. KE=1,225J

20. •An object is moved with a
force of 58N across a
horizontal surface. How
much work is done if the
object is move 45m?

21. W=2,610J

22. Anna has weight of 867.6N.
what is her power output in
watts and in horsepower
when she climbs a stair
4.8m high in just 5.9s?

23. P=705.84w

24. How much KE possessed
by a 69.78kg female
volleyball player moving
downward at 10.7m/s after
a block

25. KE=3,994.55J

26. •How much work is done
in lifting a 45.99kg box
8.7m off the floor?

27. W=3,921.09J

28. Anna has weight of 54N.
what is her power output in
watts and in horsepower
when she climbs a stair
4.8m high in just 5.9s?

29. P=43.93w