Physics
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 [...]
A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this round trip is
27
Aug
A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this round trip is A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this [...]
A particle is moving along x-axis has acceleration f at time t, given by f = f0 (1 − t/T), where f0 and T are constants. The particle at t=0 has zero velocity. In the time interval between t = 0 and the instant when f = 0, the particle’s velocity (vx) is
27
Aug
A particle is moving along x-axis has acceleration f at time t, given by f = f0 (1 − t/T), where f0 and T are constants. The particle at t=0 has zero velocity. In the time interval between t = 0 and the instant when f = 0, the particle’s velocity (vx) is A particle [...]
The distance traveled by a particle starting from rest and moving with an acceleration 4/3ms^−2 in the third second is –
27
Aug
The distance traveled by a particle starting from rest and moving with an acceleration 4/3ms^−2 in the third second is – The distance traveled by a particle starting from rest and moving with an acceleration 4/3ms^−2 in the third second is - August 27, 2020 Category: Chapter 3 - Motion in a Straight Line , [...]
A particle shows distance − time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point.
27
Aug
A particle shows distance − time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point. A particle shows distance − time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point. August 27, 2020 Category: Chapter 3 - Motion in [...]
A particle moves in a straight line with a constant acceleration. It changes its velocity from 10ms^−1 to 20ms^−1 while passing through a distance 135 min t second. The value of t is
27
Aug
A particle moves in a straight line with a constant acceleration. It changes its velocity from 10ms^−1 to 20ms^−1 while passing through a distance 135 min t second. The value of t is A particle moves in a straight line with a constant acceleration. It changes its velocity from 10ms^−1 to 20ms^−1 while passing through [...]
A bus is moving with a speed of 10ms^−1 on a straight road. A scooter wishes to overtake the bus in 100s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus?
27
Aug
A bus is moving with a speed of 10ms^−1 on a straight road. A scooter wishes to overtake the bus in 100s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist chase the bus? A bus is moving with a speed of 10ms^−1 on a [...]
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds is S1 and that covered in the first 20 seconds is S2 then:
27
Aug
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds is S1 and that covered in the first 20 seconds is S2 then: A particle starts its motion from rest under the action of a constant force. If the distance covered in first [...]