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Instantaneous Velocity

a particle mo...

Question

a particle moves in the x-y plane with a constant acceleration 8 m/s^2 making an angle 37 with x-axis. At t=0 the particle is at the origin & its velocity is 8 m/s along x-axis. Find velocity & the position of the particle at t=2s.

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Q. A particle moves in the X-Y plane with a constant acceleration of 1.5

m s^{- 2}

in the direction making an angle of 37

^{0}

with the X-axis. At t=0 the particle is at the origin and its velocity is 8.0 m/s along the X-axis. Find the velocity of the particle at time t=4.0 sec

m / s

of a particle moving along

x -

axis varies with time as

v = (10 + 5 t - t^{2})

t = 0, x = 0.

Acceleration of particle at

t = 2 s

x m / s^{2}

, then value of

x

Q. The acceleration of a particle which moves along the positive x-axis varies with its position as shown. If the velocity of the particle is

0.8 m / s

x = 0

, the velocity of the particle at

x = 1.4

Q. A particle is moving in x-y-plane at 2 m/s along x-axis. 2 seconds later, its velocity is 4 m/s in a direction making

60^{0}

with positive x-axis. Its average acceleration for this period of motion is :

Q. At time t = 0, a particle is at (2m, 4m). It starts moving towards positive x-axis with constant acceleration 2 m/

s^{2}

(initial velocity = 0). After 2 s, an additional acceleration of 4 m/

s^{2}

starts acting on the particle in negative y-direction also. Find after next 2 s
(a) velocity and (b) coordinate of particle.

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