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A car has moved 200m north in 5s and then 250m west in 10s. What was the velocity of the car?
A car took 3 hours to travel from Kuala Lumpur to Ipoh. It moved with a speed of 80kmh^{-1} for the first 2 hours and 100kmh^{-1} for the last 1 hour. What is the average speed of the car for the journey in kmh^{-1}?
A car took 3 hours to travel from Kuala Lumpur to Ipoh. It moved with a speed of 80kmh^{-1} for the first 2 hours and 100kmh^{-1} for the last 1 hour. What is the average speed of the car for the journey in kmh^{-1}?
Which of the following quantity must be changing if an object is moving at constant acceleration?
\[
\begin{array}{|l|l|l|l|l|l|}
\hline \text { Time /s } & 0 & 1 & 2 & 3 & 4 \\
\hline \text { Velocity /ms-1 } & 0 & 1 & 3 & 6 & 10 \\
\hline
\end{array}
\]
Table above shows the velocity of an object for the first 4 seconds of its motion. We can conclude that the object is moving with
A bus increases its velocity from 20 kmh^{-1} to 92 kmh^{-1} in 5s. What is the acceleration of the bus?
An object accelerates from stationary with the acceleration of 4 ms-2. What is the velocity of the object after 7s?
An object accelerates from stationary with the acceleration of 4 ms^{-2}. What is the velocity of the object after 7s?
\[
\begin{array}{|l|c|c|c|c|c|}
\hline \text { Time/s } & 0 & 1 & 2 & 3 & 4 \\
\hline \text { Velocity /ms-1 } & 10 & 9 & 7 & 4 & 0 \\
\hline
\end{array}
\]
Table above shows the velocity of an object for the first 4 seconds of its motion. We can conclude that the object is moving with