SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A force exerts an impulse  on a particle changing its speed from initial velocity  to final velocity 2  The applied force and the initial velocity are oppositely oriented along the same line. The work done by the force is

a)

b)

c)

d)


Question ID - 100209 :-

A force exerts an impulse  on a particle changing its speed from initial velocity  to final velocity 2  The applied force and the initial velocity are oppositely oriented along the same line. The work done by the force is

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)



Next Question :

An elastic collision taken place between two smooth, rubber balls same radius as shown in fig. Initially, one ball is at rest and the other is moving with velocity . At maximum compression

i. ratio of potential to initial KE of the system is )/2

ii. ball  is moving along direction

iii. ball  is moving along direction  or

iv. value of  can not be used to finalise maximum compression velocities

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


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