Question

# A car of mass $1000kg$ is moving with a velocity of $10m/s$.If the velocity time graph for this car is a horizontal line parallel to the time axis,then the velocity of car at the end of $25seconds$ will be what?

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Solution

## Step 1: GivenMass of the car, $m=1000Kg$Velocity, $v=10m/s$Time, $t=25seconds$Step 2: Determine the velocity at the end of $25seconds$The velocity-time graph for this car is a horizontal line parallel to the time axis.The velocity is measured along the y-axis of the graph and the time is measured along the x-axis.That is, the velocity is not changing with respect to timeHence, the velocity at the end of $25seconds$ is also $10m/s$.Therefore, the velocity at the end of $25seconds$ will be $10m/s$.

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