Chapter 3 – Motion in a Straight Line
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Two spheres of same size one of mass 2 kg and another of mass 4 kg are dropped simultaneously from the top of Qutab Minar (height = 72 m). When they are 1 m above the ground, the two spheres have the same:
05
Sep
Two spheres of same size one of mass 2 kg and another of mass 4 kg are dropped simultaneously from the top of Qutab Minar (height = 72 m). When they are 1 m above the ground, the two spheres have the same: the two spheres have the same: Two spheres of same size one [...]
A ball is thrown vertically upwards. Which of the following plots represents the speed-time graph of the ball during its flight if the air resistance is not ignored?
05
Sep
A ball is thrown vertically upwards. Which of the following plots represents the speed-time graph of the ball during its flight if the air resistance is not ignored? A ball is thrown vertically upwards. Which of the following plots represents the speed-time graph of the ball during its flight if the air resistance is not [...]
A body released from a height falls freely towards earth. Another body is released from the same height exactly one second later. The separation between the two bodies two second after the release of the second body is nearly
05
Sep
A body released from a height falls freely towards earth. Another body is released from the same height exactly one second later. The separation between the two bodies two second after the release of the second body is nearly is The ratio of magnitudes of average speed to average velocity September 5, 2020 Category: Chapter [...]
A body starting from rest moves along a straight line with a constant acceleration The variation of speed (v) with distance (s) is represented by the graph
05
Sep
A body starting from rest moves along a straight line with a constant acceleration The variation of speed (v) with distance (s) is represented by the graph A body starting from rest moves along a straight line with a constant acceleration The variation of speed (v) with distance (s) is represented by the graph September [...]
Three different objects of mass m1 , m2, m3 are allowed to fall from rest and from the same point O along three different frictionless paths. The speeds of the three objects, on reaching the ground, will be in the ratio of
05
Sep
Three different objects of mass m1 , m2, m3 are allowed to fall from rest and from the same point O along three different frictionless paths. The speeds of the three objects, on reaching the ground, will be in the ratio of m2 m3 are allowed to fall from rest and from the same point [...]
The ratio of magnitudes of average speed to average velocity, is
05
Sep
The ratio of magnitudes of average speed to average velocity, is is The ratio of magnitudes of average speed to average velocity September 5, 2020 Category: Chapter 3 - Motion in a Straight Line , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The displacement x of a particle varies with time t as x = ae^−αt + be^βt, Where a, b, α and β are positive constants. The velocity of the particle will:
27
Aug
The displacement x of a particle varies with time t as x = ae^−αt + be^βt, Where a, b, α and β are positive constants. The velocity of the particle will: B The displacement x of a particle varies with time t as x = ae^−αt + be^βt Where a α and β are positive [...]
A particle moves along a straight line OX. At a time t(in seconds) the distance x(in meters)of the particle from 0 is given by:-x = 40 + 12t − t3. How long would the particles travel before coming to rest?
27
Aug
A particle moves along a straight line OX. At a time t(in seconds) the distance x(in meters)of the particle from 0 is given by:-x = 40 + 12t − t3. How long would the particles travel before coming to rest? A car moves from X to Y with a uniform speed vu and returns to [...]
Two bodies A(of mass 1kg) and B (of mass 3kg) are dropped from heights of 16m and 25 m. Respectively. The ratio of the time taken to reach the ground is :
27
Aug
Two bodies A(of mass 1kg) and B (of mass 3kg) are dropped from heights of 16m and 25 m. Respectively. The ratio of the time taken to reach the ground is : Two bodies A(of mass 1kg) and B (of mass 3kg) are dropped from heights of 16m and 25 m. Respectively. The ratio of [...]
The position x of a particle with respect to time t along x−axis is given by x = 9t^2 − t^3 where x is in metres and t in seconds. What will be the position of this particle when it achieves maximum speed along the + x direction?
27
Aug
The position x of a particle with respect to time t along x−axis is given by x = 9t^2 − t^3 where x is in metres and t in seconds. What will be the position of this particle when it achieves maximum speed along the + x direction? A car moves from X to Y [...]