Chapter 3 – Motion in One Dimension
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 3 - Motion in One Dimension
The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 12 s is:
05
Sep
The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 12 s is: The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 12 s is: September [...]
The velociy-time graph of a body is shown in fig. 2.83. The displacement of the body in 8 s is
05
Sep
The velociy-time graph of a body is shown in fig. 2.83. The displacement of the body in 8 s is The velociy-time graph of a body is shown in fig. 2.83. The displacement of the body in 8 s is September 5, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 3 - [...]
A point moves with uniform acceleration and v1, v2 and v3 denote the average velocities in the three successive intervals of time t1, t2 and t3. Which of the following relation is correct?
05
Sep
A point moves with uniform acceleration and v1, v2 and v3 denote the average velocities in the three successive intervals of time t1, t2 and t3. Which of the following relation is correct? A point moves with uniform acceleration and v1 t2 and t3. Which of the following relation is correct? v2 and v3 denote [...]
Water drops fall from a tap on to the floor 5.0 m below at regular intervals of time. The first drop strikes the floor when the fifth drop beings to fall. The height at which the third drop will be from ground, (at the instant when the first drop strikes the ground ) will be (Take g = 10 ms^−2):
05
Sep
Water drops fall from a tap on to the floor 5.0 m below at regular intervals of time. The first drop strikes the floor when the fifth drop beings to fall. The height at which the third drop will be from ground, (at the instant when the first drop strikes the ground ) will be [...]
The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06 m is 0.34 m/s. If the change in velocity of the body is 0.18 m/s. During this time, its uniform acceleration is
05
Sep
The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06 m is 0.34 m/s. If the change in velocity of the body is 0.18 m/s. During this time, its uniform acceleration is its uniform acceleration is The average velocity of a body moving with uniform acceleration after travelling a [...]
A moving car possesses average velocities of 5 ms^−1, 10 ms^−1, and 15 ^ms−1 in the first, second, and third seconds, respectively. What is the total distance covered by the car in these 3 s ?
05
Sep
A moving car possesses average velocities of 5 ms^−1, 10 ms^−1, and 15 ^ms−1 in the first, second, and third seconds, respectively. What is the total distance covered by the car in these 3 s ? 10 ms^−1 A moving car possesses average velocities of 5 ms^−1 and 15 ^ms−1 in the first and third [...]
A train is moving at a constant speed V when its driver observes another train in front of him on the same track and moving in the same direction with constant speed v. If the distance between the trains is x, then what should be the minimum retardation of the train so as to avoid collision?
05
Sep
A train is moving at a constant speed V when its driver observes another train in front of him on the same track and moving in the same direction with constant speed v. If the distance between the trains is x, then what should be the minimum retardation of the train so as to avoid [...]
A police party is chasing a dacoit in a jeep which is moving at a constant speed v. The dacoit is on a motorcycle. When he is at a distance x from the jeep, he accelerates from rest at a constant rate. Which of the following relations is true if the police are able to catch the dacoit?
05
Sep
A police party is chasing a dacoit in a jeep which is moving at a constant speed v. The dacoit is on a motorcycle. When he is at a distance x from the jeep, he accelerates from rest at a constant rate. Which of the following relations is true if the police are able to [...]
A parachutist drops first freely from an aeroplane for 10 s and then his parachute opens out. Now he descends with a net retardation of 2.5 ms^−2. If he bails out of the plane at a height of 2495 m and g = 10 ms^−2, his velocity on reaching the ground will be
05
Sep
A parachutist drops first freely from an aeroplane for 10 s and then his parachute opens out. Now he descends with a net retardation of 2.5 ms^−2. If he bails out of the plane at a height of 2495 m and g = 10 ms^−2, his velocity on reaching the ground will be A body [...]
A body is projected upwards with a velocity u. It passes through a certain point above the ground after t1. The time after which the body passes through the same point during the return journey is
05
Sep
A body is projected upwards with a velocity u. It passes through a certain point above the ground after t1. The time after which the body passes through the same point during the return journey is A body is projected upwards with a velocity u. It passes through a certain point above the ground after [...]