What is the acceleration
1 answer:
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Answer:
The time taken for the daredevil to travel the 50 m horizontally is 2.83 s.
Explanation:
Given;
angle of projection, θ = 45°
initial speed of the projectile, u = 25 m/s
horizontal distance traveled by the projectile, x = 50 m
The time taken for the daredevil to travel the 50 m horizontally is calculated as;
where;
is the horizontal component of the velocity = uCosθ
Therefore, the time taken for the daredevil to travel the 50 m horizontally is 2.83 s.
Answer:
Option D
MA=5
Explanation:
Mechanical advantage is the the ratio of the output force to the input force hence
Substituting 15 inches for the effort arm length and 3 inches for the load arm length then we obtain the mechanical advantage as