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Nikohl
Questions (11)
A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space
0 answers
806 views
Two balls, of masses mA = 34 g and mB = 60 g, are suspended as shown in the figure . The lighter ball is pulled away to a 60
0 answers
625 views
A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space
0 answers
789 views
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible
2 answers
1,130 views
How much work did the movers do (horizontally) pushing a 140-kg crate 10.1 m across a rough floor without acceleration, if the
1 answer
576 views
How much work did the movers do (horizontally) pushing a 140-kg crate 10.1 m across a rough floor without acceleration, if the
2 answers
576 views
A spring-loaded toy gun is used to shoot a ball of mass m=1.5 kg straight up in the air. The spring has spring constant k=667
0 answers
1,073 views
In the rope climb, a 68 kg athlete climbs a vertical distance of 9.0 m in 13 s.
What minimum power output was used to accomplish
1 answer
499 views
A 143-g baseball is dropped from a tree 13.0 m above the ground.
With what speed would it hit the ground if air resistance could
1 answer
799 views
A block of weight = 25.0 sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as
1 answer
975 views
A 1300 sports car accelerates from rest to 90 in 6.5 .
What is the average power delivered by the engine?
1 answer
1,241 views
Answers (1)
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