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A car accelerates from rest with 2 ms^-2 for 2 s and then decelerates constantly with 4 ms^-2 for t0 second to come to rest. The graph for the motion is shown in Fig
16
Sep
A car accelerates from rest with 2 ms^-2 for 2 s and then decelerates constantly with 4 ms^-2 for t0 second to come to rest. The graph for the motion is shown in Fig A car accelerates from rest with 2 ms^-2 for 2 s and then decelerates constantly with 4 ms^-2 for t0 second [...]
If a body A of mass m is thrown with velocity v at an angle of 30 degree to the horizontal and another body B of mass 2 m is thrown with the same speed at an angle of 60 degree to the horizontal. Then
16
Sep
If a body A of mass m is thrown with velocity v at an angle of 30 degree to the horizontal and another body B of mass 2 m is thrown with the same speed at an angle of 60 degree to the horizontal. Then If a body A of mass m is thrown with [...]
A particle moves along the x-axis obeying the equation x = t (t-1)(t-2), where x is in meter and t is in second a. Find the initial velocity of the particle. b. Find the initial acceleration of the particle
16
Sep
A particle moves along the x-axis obeying the equation x = t (t-1)(t-2), where x is in meter and t is in second a. Find the initial velocity of the particle. b. Find the initial acceleration of the particle A particle moves along the x-axis obeying the equation x = t (t-1)(t-2) where x is [...]
The speed of a car increases uniformly from zero to 10 ms^-1 in 2 s and then remains constant a. Find the distance travelled by the car in the first two seconds. b. Find the distance travelled by the car in
16
Sep
The speed of a car increases uniformly from zero to 10 ms^-1 in 2 s and then remains constant a. Find the distance travelled by the car in the first two seconds. b. Find the distance travelled by the car in The acceleration of a particle is given by a = t^3 - 3t^2 + [...]
The displacement of a particle is given by y = α + βt + γt^2 – delta t^4. The initial velocity and acceleration, respectively, are
16
Sep
The displacement of a particle is given by y = α + βt + γt^2 – delta t^4. The initial velocity and acceleration, respectively, are are respectively The displacement of a particle is given by y = α + βt + γt^2 - delta t^4. The initial velocity and acceleration September 16, 2020 Category: Cengage [...]
A particle starts moving along the x – axis from t = 0, its position varying with time as x = 2t^3 – 3t^2 + 1. a. At what time instants is its velocity zero? b. What is the velocity when it passes through the origin?
16
Sep
A particle starts moving along the x – axis from t = 0, its position varying with time as x = 2t^3 – 3t^2 + 1. a. At what time instants is its velocity zero? b. What is the velocity when it passes through the origin? A particle starts moving along the x - axis [...]
The acceleration of a particle is given by a = t^3 – 3t^2 + 5, where a is in ms^-2 and t is in second. At t = 1 s, the displacement and velocity are 8.30 m and 6.25 ms^-1. respectively. Calculate the displacement and velocity at t = 2 s.
16
Sep
The acceleration of a particle is given by a = t^3 – 3t^2 + 5, where a is in ms^-2 and t is in second. At t = 1 s, the displacement and velocity are 8.30 m and 6.25 ms^-1. respectively. Calculate the displacement and velocity at t = 2 s. The acceleration of a [...]
A particle starts from origin with uniform acceleration. Its displacement after t seconds is given in meter by the relation x = 2 + 5t + 7t^2. Calculate the magnitude of its a. Initial velocity b. Velocity at t = 4 s
16
Sep
A particle starts from origin with uniform acceleration. Its displacement after t seconds is given in meter by the relation x = 2 + 5t + 7t^2. Calculate the magnitude of its a. Initial velocity b. Velocity at t = 4 s If a particle starts moving with initial velocity u = 1 m s^-1 [...]
The displacement of a particle is given by y = (6t^2 + 3t + 4)m, where t is in seconds. Calculate the instantaneous speed of the particle.
16
Sep
The displacement of a particle is given by y = (6t^2 + 3t + 4)m, where t is in seconds. Calculate the instantaneous speed of the particle. The displacement of a particle is given by y = (6t^2 + 3t + 4)m where t is in seconds. Calculate the instantaneous speed of the particle. September [...]
The velocity of a particle is given by v = 12 + 3(t + 7t^2). What is the acceleration of the particle?
16
Sep
The velocity of a particle is given by v = 12 + 3(t + 7t^2). What is the acceleration of the particle? The velocity of a particle is given by v = 12 + 3(t + 7t^2). What is the acceleration of the particle? September 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]