Get 2 FREE Instant-Explanations on Filo with code FILOAPP

Home

Class 9

Science

Work and Energy

Formula For Kinetic Energy

A body having a mass 100 gram is allowed to fall freely from a

Question

Easy

Solving time: 2 mins

A body having a mass 100 gram is allowed to fall freely from a height 1000 m under the action of gravity. Its kinetic energy after 10 seconds is (take g = 1000 cm / $se c^{2}$ )

5 joules

50 joules

500 joules

5000 joules

Views: 5,566 students

Found 3 tutors discussing this question

Camila Discussed

A body having a mass 100 gram is allowed to fall freely from a height 1000 m under the action of gravity. Its kinetic energy after 10 seconds is (take g = 1000 cm /

se c^{2}

)

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

Given,
Initial velocity,

u = 0

Time,

t = 10 sec

Apply equation of kinematic.

V = u + gt V = 0 + 10 \times 10 = 100 ms^{- 1}

Kinetic energy,K.E

= \frac{1}{2} mV^{2} = \frac{1}{2} \times 0.1 \times 10 0^{2} = 500 J

Hence, kinetic energy is

500 J

Was this solution helpful?

Report

One destination for complete JEE/NEET preparation

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Stuck on the question or explanation?

Connect with our Science tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text	A body having a mass 100 gram is allowed to fall freely from a height 1000 m under the action of gravity. Its kinetic energy after 10 seconds is (take g = 1000 cm / $se c^{2}$ )
Topic	Work and Energy
Subject	Science
Class	Class 9
Answer Type	Text solution:1
Upvotes	81

A body having a mass 100 gram is allowed to fall freely from a height 1000 m under the action of gravity. Its kinetic energy after 10 seconds is (take g = 1000 cm / $se c^{2}$ )

Text solutionVerified

Practice more questions from Work and Energy

Practice questions on similar concepts asked by Filo students

A body having a mass 100 gram is allowed to fall freely from a height 1000 m under the action of gravity. Its kinetic energy after 10 seconds is (take g = 1000 cm /sec2 )

Text solutionVerified

Practice more questions from Work and Energy

Practice questions on similar concepts asked by Filo students

Related books for questions on Work and Energy

A body having a mass 100 gram is allowed to fall freely from a height 1000 m under the action of gravity. Its kinetic energy after 10 seconds is (take g = 1000 cm / $se c^{2}$ )