You are walking up an icy slope. suddenly your feet slip, and you start to slide backward. will you slide at a constant speed, o
r will you accelerate?
2 answers:
Answer:
Will accelerate with g.sinθ, where θ is the angle between the ground and the inclination of the slope.
Explanation:
When any mass is sliding down the inclined plane will be affected by the acceleration due to gravity and some component of this acceleration will act on the body.
Let θ be the angle of inclination of the inclined slope from the horizontal.
then from the attached figure we can clearly get the component of acceleration along the slope.
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Answer:
12m/s
Explanation:
Given parameters:
Power = 6.5 x 10⁴W
Force = 5.5 x 10³N
Unknown:
The resulting velocity = ?
Solution:
The velocity of a body is related to force and power using the expression below;
Power = Force x velocity
Insert the parameters and solve for velocity
6.5 x 10⁴ = 5.5 x 10³ x velocity
velocity = = 12m/s