The correct option is C √( 6gh/17) Option C ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Law of Conservation of Mechanical Energy

A ball loses ...

Question

A ball loses 15% of its kinetic energy when it bounces back from a concrete floor. when it is thrown vertically downward with speed of $v_{0}$ from a certain height h, it bounces back to the same height. then, if we neglect air resistance, the speed $v_{0}$ should be

z e r o

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\sqrt{3 g h / 17}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\sqrt{6 g h / 17}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

none of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $\sqrt{6 g h / 17}$
Option C

Suggest Corrections

Similar questions

Q. A ball loses 15.0% of its kinetic energy when it bounces back from a concrete wall. With what speed you must throw it vertically down from a height of 12.4 m to have it bounce back to the same height (ignore air resistance)?

Q. A ball is falling freely under gravity from a height

10 m

with an initial downward velocity

v_{0}

. If collides with the ground loses

50 %

of its kinetic energy in collision and then rises back to the same height. Then find the initial velocity

v_{0}

Q. A ball at rest is dropped from a height of

12 m

. It looses

25

% of its kinetic energy on striking the ground and bounces back to a height

h

. Then value of

h

is:

Q. A ball at rest is dropped freely from a height of

20 m

. It loses

30

% of its energy on striking the ground and bounces back. The height to which it bounces back is:

A rubber ball is dropped from a height of 4 meters onto a concrete floor. It bounces to $75 %$ of its original height and drops back down, bouncing many times in ever-smaller bounces. If it did this forever how much total distance did the ball cover?

Join BYJU'S Learning Program

A ball loses 15% of its kinetic energy when it bounces back from a concrete floor. when it is thrown vertically downward with speed of v0 from a certain height h, it bounces back to the same height. then, if we neglect air resistance, the speed v0 should be

The correct option is C √6gh/17Option C

A ball loses 15% of its kinetic energy when it bounces back from a concrete floor. when it is thrown vertically downward with speed of $v_{0}$ from a certain height h, it bounces back to the same height. then, if we neglect air resistance, the speed $v_{0}$ should be

The correct option is C $\sqrt{6 g h / 17}$
Option C