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Speed
and velocity Average
Speed
is defined as the actual distance travelled divided by the time taken.
Velocity
is the rate of change of
displacement.
Speed is a scalar and velocity is a vector.
The
slope of a graph of displacement against time
represents
velocity. Acceleration
The area under such a graph represents distance Equation for uniform acceleration
The above four equations are true only for constant acceleration. Total distance moved = area I + area II
Projectile Motion
Suggested solutions to Exercise 2
Question No :
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