What does the path of an object look like when it is in uniform motion?
An object having uniform motion has a straight line path.
During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, $3 \times 10^{8}\,m\,s^{-1}$.
An artificial satellite is moving in a circular orbit of radius $42250\, km$. Calculate its speed (in $m s ^{-1}$) if it takes $24 $ hours to revolve around the earth.
Which of the following is true for displacement ?
$(a)$ It cannot be zero.
$(b)$ Its magnitude is greater than the distance travelled by the object.
A train starting from a railway station and moving with uniform acceleration attains a speed $40\, km \,h^{-1}$ in $10$ minutes. Find its acceleration(in $m / s ^{2}$).
What is the nature of the distance-time graphs for uniform and non-uniform motion of an object ?
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