A ball falls on an inclined plane as shown in Fig. The ball is dropped from height . Coefficient of restitution for collision is and the surface is frictionless. If are heights of projectiles and are their corresponding time of flights, then

form a geometric progression of common ratio

, …, form a geometric progression of common ratio

form a geometric progression of common ratio

Evaluate the above statements and choose the correct option from the following

A ball falls on an inclined plane as shown in Fig. The ball is dropped from height . Coefficient of restitution for collision is and the surface is frictionless. If are heights of projectiles and are their corresponding time of flights, then

form a geometric progression of common ratio

, …, form a geometric progression of common ratio

form a geometric progression of common ratio

Evaluate the above statements and choose the correct option from the following

a)

Statements i, ii are true and iii,iv are false

b)

Statements i, ii, are false and iii,iv are true

c)

All statements are true

d)

All statements are false

1 Answer

127 votes

Answer Key / Explanation : (a) -

(a)

After the first collision, velocity perpendicular to the inclined plane becomes Time of flight,