Chapter 2 – Motion in a Straight Line
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A car accelerates from rest at a constant rate α for some time after which it decelerates at a constant rate β to come to rest. If the total time elapsed is t, then the maximum velocity attained is
06
Sep
A car accelerates from rest at a constant rate α for some time after which it decelerates at a constant rate β to come to rest. If the total time elapsed is t, then the maximum velocity attained is A car accelerates from rest at a constant rate α for some time after which it [...]
A body A starts from rest with an acceleration a1. After 2 seconds, another body B starts from rest with an acceleration a2. If they travel equal distances in the 5th second, after the start of A, then the ratio a1 : a2 is equal to
06
Sep
A body A starts from rest with an acceleration a1. After 2 seconds, another body B starts from rest with an acceleration a2. If they travel equal distances in the 5th second, after the start of A, then the ratio a1 : a2 is equal to A body A starts from rest with an acceleration [...]
A man is d distance behind the bus when the bus starts accelerating from rest with an acceleration a0. With what minimum constant velocity should the man start running to catch the bus
06
Sep
A man is d distance behind the bus when the bus starts accelerating from rest with an acceleration a0. With what minimum constant velocity should the man start running to catch the bus A man is d distance behind the bus when the bus starts accelerating from rest with an acceleration a0. With what minimum [...]
A cyclist starts from rest and moves with a constant acceleration of 1 m/s^2. A boy who is 48 m behind the cyclist starts moving with a constant velocity of 10m/s. After how much time the boy meets the cyclist?
06
Sep
A cyclist starts from rest and moves with a constant acceleration of 1 m/s^2. A boy who is 48 m behind the cyclist starts moving with a constant velocity of 10m/s. After how much time the boy meets the cyclist? A particle starts its motion from rest under the action of a constant force. If [...]
Two trains travelling on the same track are approaching each other with equal speed of 40m/s. The drivers of the trains begin to decelerate simultaneously when just ` 2.0 km apart. Assuming deceleration to be uniform and equal the value to the deceleration to barely avoid collision should be .
06
Sep
Two trains travelling on the same track are approaching each other with equal speed of 40m/s. The drivers of the trains begin to decelerate simultaneously when just ` 2.0 km apart. Assuming deceleration to be uniform and equal the value to the deceleration to barely avoid collision should be . A particle starts its motion [...]
Two cars A and B are at rest at the origin O. If A starts with a uniform velocity of 20m/s and B starts in the same direction with a constant acceleration of 2m/s^2 , then the cars will meet after time
06
Sep
Two cars A and B are at rest at the origin O. If A starts with a uniform velocity of 20m/s and B starts in the same direction with a constant acceleration of 2m/s^2 , then the cars will meet after time then the cars will meet after time Two cars A and B are [...]
Speeds of two identical cars are u and 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped at the same instant is
06
Sep
Speeds of two identical cars are u and 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped at the same instant is Speeds of two identical cars are u and 4u at a specific instant. The ratio of the respective distances in which the two cars [...]
A body moving with a uniform acceleration crosses a distance of 15 m in the 3rd second and 23 m in the 5th second. The displacement in 10 s will be
06
Sep
A body moving with a uniform acceleration crosses a distance of 15 m in the 3rd second and 23 m in the 5th second. The displacement in 10 s will be A body moving with a uniform acceleration crosses a distance of 15 m in the 3rd second and 23 m in the 5th second. [...]
A body travels for 15 s starting from rest with a constant acceleration. If it travels distance x, y and z in the first 5 s, second 5 s and the next 5 s, respectively, the relation between x, y and z is
06
Sep
A body travels for 15 s starting from rest with a constant acceleration. If it travels distance x, y and z in the first 5 s, second 5 s and the next 5 s, respectively, the relation between x, y and z is A body travels for 15 s starting from rest with a constant [...]
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 s is x and the covered in the first 20 s is y then.
06
Sep
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 s is x and the covered in the first 20 s is y then. A particle starts its motion from rest under the action of a constant force. If the distance covered in first [...]