A frictionless wire AB is fixed on a sphere of radius R. A very small spherical ball slips on this wire. The time taken by this ball to slip from A to B is

(1) $\frac{2\sqrt{gR}}{g\mathrm{cos}\theta }$

(2) $2\sqrt{gR}.\frac{\mathrm{cos}\theta }{g}$

(3) $2\sqrt{\frac{R}{g}}$

(4) $\frac{gR}{\sqrt{g\mathrm{cos}\theta }}$

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A body is slipping from an inclined plane of height h and length l. If the angle of inclination is θ, the time taken by the body to come from the top to the bottom of this inclined plane is

(1) $\sqrt{\frac{2h}{g}}$

(2) $\sqrt{\frac{2l}{g}}$

(3) $\frac{1}{\mathrm{sin}\theta }\sqrt{\frac{2h}{g}}$

(4) $\mathrm{sin}\theta \sqrt{\frac{2h}{g}}$

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A particle is projected up with an initial velocity of $80ft/\mathrm{sec}$. The ball will be at a height of $96ft$ from the ground after (Given  )

(1) 2.0 and 3.0 sec

(2) Only at 3.0 sec

(3) Only at 2.0 sec

(4) After 1 and 2 sec

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A body falls from rest, its velocity at the end of first second is $\left(g=32ft/{\mathrm{sec}}^{2}\right)$

(1) $16\text{\hspace{0.17em}\hspace{0.17em}}ft/\mathrm{sec}$

(2) $\text{32\hspace{0.17em}\hspace{0.17em}}ft/\mathrm{sec}$

(3) $64\text{\hspace{0.17em}\hspace{0.17em}}ft/\mathrm{sec}$

(4) $24\text{\hspace{0.17em}\hspace{0.17em}}ft/\mathrm{sec}$

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A stone thrown upward with a speed u from the top of the tower reaches the ground with a velocity 3u. The height of the tower is

(1) $3{u}^{2}/g$

(2) $4{u}^{2}/g$

(3) $6{u}^{2}/g$

(4) $9{u}^{2}/g$

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Two stones of different masses are dropped simultaneously from the top of a building

(1) Smaller stone hit the ground earlier

(2) Larger stone hit the ground earlier

(3) Both stones reach the ground simultaneously

(4) Which of the stones reach the ground earlier depends on the composition of the stone

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A body thrown up with an initial speed of $96\text{\hspace{0.17em}}ft/\mathrm{sec}$ reaches the ground after $\left(g=32ft/{\mathrm{sec}}^{2}\right)$

(1) 3 sec

(2) 6 sec

(3) 12 sec

(4) 8 sec

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A stone is dropped from a certain height which can reach the ground in 5 second. If the stone is stopped after 3 second of its fall and then allowed to fall again, then the time taken by the stone to reach the ground for the remaining distance is

(1) 2 sec

(2) 3 sec

(3) 4 sec

(4) None of these

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A man in a balloon rising vertically with an acceleration of $4.9\text{\hspace{0.17em}}m/{\mathrm{sec}}^{2}$ releases a ball 2 sec after the balloon is let go from the ground. The greatest height above the ground reached by the ball is $\left(g=9.8\text{\hspace{0.17em}}m/{\mathrm{sec}}^{2}\right)$

(1) 14.7 m

(2) 19.6 m

(3) 9.8 m

(4) 24.5 m

Concept Questions :-

Uniformly accelerated motion
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A particle is dropped under gravity from rest from a height $h\left(g=9.8\text{\hspace{0.17em}}m/{\mathrm{sec}}^{2}\right)$ and it travels a distance 9h/25 in the last second, the height h is

(1) 100 m

(2) 122.5 m

(3) 145 m

(4) 167.5 m

Concept Questions :-

Uniformly accelerated motion