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Mar 12, 2014
Derive f the equation for kinetic energy?
Derive f the equation K.E = ½ m v 2
Derive f the equation K.E = ½ m v 2
Pranesh Rao
Dec 24, 2014
Derive the expression for the following:
a] kinetic energy
b] potential energy
a] kinetic energy
b] potential energy
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?
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.
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 .
Wavelength: Sound consists of a longitudinal wave that includes compressions and rarefactions as they travel through a...
Nipunn verma
Oct 14, 2013
Is Potential energy a vector quantity or scalar?
Shreya Singh
Nov 4, 2014
Why is work a scalar quantity?
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.
Madhusudhan rathi
Mar 12, 2014
Derive f the equation for kinetic energy?
Derive f the equation K.E = ½ m v 2
Derive f the equation K.E = ½ m v 2
Pranesh Rao
Dec 24, 2014
Derive the expression for the following:
a] kinetic energy
b] potential energy
a] kinetic energy
b] potential energy
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?
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.
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 .
Wavelength: Sound consists of a longitudinal wave that includes compressions and rarefactions as they travel through a...
Nipunn verma
Oct 14, 2013
Is Potential energy a vector quantity or scalar?
Shreya Singh
Nov 4, 2014
Why is work a scalar quantity?
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