A man weighing 80 kg is standing on a tr...

A man weighing 80 kg is standing on a trolley weighing 320 kg. The trolley is resting on frictionless horizontal rails. If the man starts walking on the trolley with a speed of 1 m/s, then after 4 seconds his displacement relative to the ground will be

5 m

4.8 m

3.2 m

3.0 m

Text Solution

Verified by Experts

Topper's Solved these Questions

Gravitation
TARGET PUBLICATION|Exercise Exercise|273 Videos
MAGNETIC EFFECT OF ELECTRIC CURRENT
TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

Similar Questions

Explore conceptually related problems

A man weighing 80 kg is standing on a trolley weighting 320 kg . The trolley is resting on frictionless horizontal rails. If the man starts walking on the trolley along the rails at speed 1 m//s (w.r.t. to trolley) then after 4 s his displacement relative to the ground will be :

Starting from rest,due to the gravitational ofrce of the Earth i.e.733 N,What is the speed of Mahendra after 1 second?If his mass is 75 kg.

A man of mass 80 kg stands in an elevator. Calculate his apparent weight when, (i) elevator is at rest

A man standing unsymmetrical position between two mountains and fires a gun. He hears the first echo after 1.5 s and the second echo after 2.5 s. If the speed of sound in air is 340 m/s , then the distance between the mountains will be

A man standing between two cliffs claps his hands and starts hearing series of echoes at interval of one second. Since the speed of sound in air is 340 m//s , the distance between cliffs must be

A man standing between two parallel cliffsfires a gun and hearstwo echoes of the report, one after 1 s and the other after 4 s. What is the distance between the cliffs if the velocity of sound is 340 m//s .

A soldier standing between two hills hears two echoes after firing the gun. The first echo is heard after 1.2s and the second echo after 2.4s. Find the separation between the two hills.(speed of sound in air = 340m//s )

A man of mass 80 kg stands in an elevator. Calculate his apparent weight when, (iv) the elevator cable breaks (g = 10 m//s^2)

A man of mass 80 kg stands in an elevator. Calculate his apparent weight when, (iii) downwards with 2 m//s^2 acceleration

TARGET PUBLICATION-LAWS OF MOTION-EXERCISE

A cricket bat is cut at the location of its centre of mass as shown. T...
Text Solution
|
When a bus is climbing on hilly road, a standing passenger, balances h...
Text Solution
|
A man weighing 80 kg is standing on a trolley weighing 320 kg. The tro...
Text Solution
|
In a gravitational force field a particle is taken from A t B alog dif...
Text Solution
|
A shell is fired from a cannon with a velocity v (m/s) at an angle the...
Text Solution
|
A machine gun has a mass 5 kg. It fires 50 gram bullets at the rate of...
Text Solution
|
A rocket of initial mass 6000kg ejects mass at a constant rate of 16kg...
Text Solution
|
A machine gun fires a bullet of mass 40 gram with velocity 1200 m/s. T...
Text Solution
|
A solid sphere of mass 2 kg is resting inside a cube as shown in the f...
Text Solution
|
Consider the following statement: When jumbing from some height, you s...
Text Solution
|
Which of the following has maximum momentum ?
Text Solution
|
With what minimum acceleration can a fireman slide down a rope while b...
Text Solution
|
A cold soft drink is kept on the balance. When the cap is open, then t...
Text Solution
|
A stationary body of mass 3 kg explodes into three equal pieces. Two o...
Text Solution
|
A steel bar AB of mass 10 kg and length 1 m is kept horizontal by supp...
Text Solution
|
Three blocks with masses m, 2m and 3m, are connected by strings, as sh...
Text Solution
|
Three forces start acting simultaneously on a particle moving with vel...
Text Solution
|
A rocket with a life-off mass 3.5xx10^(4) kg is blasted upwards with a...
Text Solution
|
A body of mass 50 kg is suspended using a spring balance inside a lift...
Text Solution
|
A stone of mass 0.05 kg is thrown vertically upwards. What is the dire...
Text Solution
|