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Mar 12, 2014

Derive f the equation for kinetic energy?

Derive f the equation K.E = Â½ m v^{2}

Derive f the equation K.E = Â½ m v

This answer has an image. Please click on the question to read more.

Pranesh Rao

Dec 24, 2014

Derive the expression for the following:

a] kinetic energy

b] potential energy

a] kinetic energy

b] potential energy

Answer.

Derivatio...

Derivatio...

Milan

Feb 6, 2014

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

This answer has an image. Please click on the question to read more.

Abhishek

Feb 28, 2014

A bullet fired into a fixed target loses half of its velocity after penetrating 3cm. How much futher it will penetrating before coming to rest assuming that it faces constant resistance to motion.

This answer has an image. Please click on the question to read more.

Rushin Naik

Feb 17, 2015

1. What is work done by a coolie walking on level road with load on his head?

2. Why is work done zero when, the direction of displacement and the direction of force on a body are perpendicular to each other?

2. Why is work done zero when, the direction of displacement and the direction of force on a body are perpendicular to each other?

**Work done on an object is energy spent to do work on object against a f...**

Varunkumar Medi

Jan 2, 2014

what are three characteristics of sound waves ? On what factors do they depend .

Nipunn verma

Oct 14, 2013

Potential energy is a scalar quantity. it has only magnitude but no direction. But in some cases we may consider it as either positive or negative. This does not mean that it...

Shreya Singh

Nov 4, 2014

Why is** work** a* *scalar quantity?

Workdone = F.s.cosÎ¸

Where F and s are the force and displacement respectively.

Work is a scalar quantity because it is the dot product of two vectors (Force and d...

Where F and s are the force and displacement respectively.

Work is a scalar quantity because it is the dot product of two vectors (Force and d...

Fibin

Mar 16, 2015

A force is applied on a car of mass 1500 kg, so that its speed increases from 54 km/h to 72 km/h. Find the work done by the force on the car.

This answer has an image. Please click on the question to read more.

Madhusudhan rathi

Mar 12, 2014

Derive f the equation for kinetic energy?

Derive f the equation K.E = Â½ m v^{2}

Derive f the equation K.E = Â½ m v

This answer has an image. Please click on the question to read more.

Pranesh Rao

Dec 24, 2014

Derive the expression for the following:

a] kinetic energy

b] potential energy

a] kinetic energy

b] potential energy

Answer.

Derivatio...

Derivatio...

Milan

Feb 6, 2014

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

This answer has an image. Please click on the question to read more.

Abhishek

Feb 28, 2014

A bullet fired into a fixed target loses half of its velocity after penetrating 3cm. How much futher it will penetrating before coming to rest assuming that it faces constant resistance to motion.

This answer has an image. Please click on the question to read more.

Rushin Naik

Feb 17, 2015

1. What is work done by a coolie walking on level road with load on his head?

2. Why is work done zero when, the direction of displacement and the direction of force on a body are perpendicular to each other?

2. Why is work done zero when, the direction of displacement and the direction of force on a body are perpendicular to each other?

**Work done on an object is energy spent to do work on object against a f...**

Varunkumar Medi

Jan 2, 2014

what are three characteristics of sound waves ? On what factors do they depend .

Nipunn verma

Oct 14, 2013

Potential energy is a scalar quantity. it has only magnitude but no direction. But in some cases we may consider it as either positive or negative. This does not mean that it...

Shreya Singh

Nov 4, 2014

Why is** work** a* *scalar quantity?

Workdone = F.s.cosÎ¸

Where F and s are the force and displacement respectively.

Work is a scalar quantity because it is the dot product of two vectors (Force and d...

Where F and s are the force and displacement respectively.

Work is a scalar quantity because it is the dot product of two vectors (Force and d...

Fibin

Mar 16, 2015

A force is applied on a car of mass 1500 kg, so that its speed increases from 54 km/h to 72 km/h. Find the work done by the force on the car.

This answer has an image. Please click on the question to read more.