A block is at rest on a incline plane as shown in the diagram.As angle is increased, the componet of the blocks weight parallel
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The effort applied = 200 N
<h3>Further explanation</h3>Equilibrium :
Total length = 1.75
The distance between the fulcrum and the load is 0.5 m ⇒ d₁=0.5 m
The distance between the fulcrum and the force applied :
A load of 500N ⇒ F₁=500 N
The force applied :
Answer: 26.84 m/s
Explanation:
Given
Original frequency of the horn
Apparent frequency
Speed of sound is
Doppler frequency is
Where,
Insert values
Thus, the speed of the car is