CameraIcon

SearchIcon

MyQuestionIcon

1

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

Second Law of Motion

A loaded lorr...

Question

A loaded lorry of mass $12000 k g$ moves with a velocity of $12 m / s$ . Its velocity becomes $10 m / s$ after $5 s$
What is the initial momentum and what is the final momentum?

Open in App

Solution

initial momentum $= m u$
$= 12000 \times 12 = 144000 k g m / s$

Final momentum $= m v$
$= 12000 \times 10 = 120000 k g m / s$

Suggest Corrections

thumbs-up

0

Similar questions

Q. The mass of a goods lorry is

4000 k g

and the mass of goods loaded on it is

20000 k g

. If the lorry is moving with a velocity of

2 m / s

what will be its momentum?

Q. A cricket ball of mass

150 g

has an initial velocity

u = 3^i + 4 j m / s

and a final velocity

v = - (3^i + 4 j) m / s

after being hit. The change in momentum (final momentum-initial momentum) is (in kg m/s)

Q. a one kg mass is thrown vertically up with a velocity of 10m/s - what will be the initial momentum and (ii) momentum at the highest point

Q. The velocity of a body of mass 20 kg increases to 400 kgm/s in 5s. If initial velocity was 10 m/s, what is the momentum before the force acts?

Q. A bullet of mass

50 g

moving with an initial velocity

100 m s^{- 1}

, strikes a wooden block and comes to rest after penetrating a distance

2 c m

in it. Calculate: (i) initial momentum of the bullet, (ii) final momentum of the bullet.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Second Law of Motion

PHYSICS

Watch in App

explore_more_icon

Explore more

Second Law of Motion

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon