How much potential energy is gained by a 45kg woman climbing stairs 8.4 1 point meters high?
1 answer:
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Explanation:
Starting position at x = 16m
Ending position at x = -25m
Time of flight = 4s
Unknown:
Distance flown = ?
Displacement = ?
Speed = ?
Velocity = ?
Solution:
To find the distance flown, we should understand that the body is moving on the x - plane;
So distance = 16 + 25 = 41m
Displacement is 41m to the left or -x axis
Speed is the distance divided by the time taken;
Speed = =
= 10.25m/s
Velocity is 10.25m/s along -x axis