Identify what the graphs shown below indicate.
(N/A) Graph $(a)$ represents a speed-time graph where the speed decreases linearly with time. This indicates constant retardation (negative acceleration).
Graph $(b)$ represents a speed-time graph where the speed decreases non-linearly and then increases. This indicates non-uniform retardation followed by non-uniform acceleration.
Graph $(b)$ represents a speed-time graph where the speed decreases non-linearly and then increases. This indicates non-uniform retardation followed by non-uniform acceleration.
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Study the speed-time graph of a body given below and answer the following questions:
$(i)$ What type of motion is represented by $OA$,$AB$ and $BC$?
(ii) Find positive and negative accelerations of the body.
(iii) Find the distance travelled by the body from $A$ to $B$.
$(i)$ What type of motion is represented by $OA$,$AB$ and $BC$?
(ii) Find positive and negative accelerations of the body.
(iii) Find the distance travelled by the body from $A$ to $B$.
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View Solution$A$ body moving with uniform acceleration has velocities $20 \, m/s$ and $30 \, m/s$ when passing two points $A$ and $B$. Then the velocity midway between $A$ and $B$ is:
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View Solution$A$ body thrown in the vertically upward direction rises up to a height $h$ and comes back to the position of its start. Calculate: $(a)$ the total distance travelled by the body and $(b)$ the displacement of the body. Under what condition will the magnitude of the displacement be equal to the distance travelled by an object?
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