Home
Class 11
PHYSICS
A force of 25 N acts on a body at rest f...

A force of 25 N acts on a body at rest for 0.2s and a force of 70 N acts for the next 0.1s in opposite direction. If the final velocity of the body is `5ms^(-1)`, the mass of the body is

A

1 kg

B

2 kg

C

0.8 kg

D

0.4 kg

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - I) (LEVEL - II) (More than One correct answer Type Questions)|2 Videos

  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - I) (LEVEL - II) (Linked Comprehension Type Questions)|2 Videos

  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - I) (LEVEL - I) (Straight Objective Type Questions)|14 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Questions for Descriptive Answers|7 Videos

  • OSCILLATION

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|12 Videos

Similar Questions

Explore conceptually related problems

A force of 10 N acts on a body of mass 1.0 kg at rest. Find the work done in 4 seconds.

A force (2hat I + hat j - hat k)N acts on a body which is initially at rest. At the end of 20 sec the velocity of the body is (4 hat i + 2 hat j – 2 hat k) ms^(-1) ,then mass of the body is