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18.A particle...

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18.A particle is thrown with speed u from A above the ground at an angle with the vertical as shown in the figure. A strong horizontal wind gives the particle a constant acceleration a in the +x direction. If the particle strikes the ground at a point B directly below A. The maximum distance of the particle from the line AB is

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Q. A particle is ejected from the tube at

A

with a velocity

v

θ

with the y-axis as shown in figure. A strong horizontal wind gives the particle a constant horizontal acceleration

a

in the x-direction. If the particle strikes the ground at a point directly under its released position and the downward

y

acceleration is taken as

g

, find the height h of the particle.

Q. A particle is projected downwards from point 'A' with initial velocity

5 m / s

θ = 37^{o} C

with the vertical. A strong horizontal wind gives the particle a constant horizontal acceleration of

6 m / s^{2}

in the x - direction. If the particle strikes the ground directly under its released position, the height 'h' of point A (in

m

) is (answer upto two decimal places). The downward acceleration is taken as

g = 10 m / s^{2}

, take (sin37°=3/5, cos37°=4/5)

Q. A particle is projected at point

A

with initial velocity

5 m/s

θ = 37^{\circ}

with the vertical

y -

axis. A strong horizontal wind gives the particle a constant horizontal acceleration of

6 {m/s}^{2}

x -

direction. If the particle strikes the ground directly under its released position, then choose the correct option(s).

[g = 10 {m/s}^{2}, sin 37^{\circ} = \frac{3}{5}, cos 37^{\circ} = \frac{4}{5}]

Q. A particle is projected downwards from point 'A' with initial velocity

5 m / s

θ = 37^{o} C

with the vertical. A strong horizontal wind gives the particle a constant horizontal acceleration of

6 m / s^{2}

in the x - direction. If the particle strikes the ground directly under its released position, the height 'h' of point A (in

m

) is (answer upto two decimal places). The downward acceleration is taken as

g = 10 m / s^{2}

, take (sin37°=3/5, cos37°=4/5)

Q. A particle is projected from point O on the ground with velocity

u = 5 \sqrt{5} m / s

a = {tan}^{- 1} (0.5) .

It strikes at point C on a fixed smooth plane AB having inclination of

37^{\circ}

with horizontal as shown in figure. If the particle does not rebound, calculate coordinates of point C in reference to coordinate system as shown in the figure.

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