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An object of mass 50kg is raised to a hight of 10m above the ground. Find the potential energy of the object at the higest point. If the object is allowed to fall freely, what is its kinetic energy when it is half way down? give reason to justify your answer.(g=10m/s)

Asked by nileshpatel19752000 9th March 2015 11:09 AM

Explain Work Energy relationship in brief

Asked by Dibyendu 15th October 2017 7:03 PM

A coolie X is carrying a load on his head climbs up a slope and another Y carrying the identical load on his head moves the same distance on the frictionless horizontal platform.Who does more work? Explain the reason

Asked by Prameela 16th October 2017 10:10 PM

WRITE THE QUANTIES ON WHICH :   1.  THE AMMOUNT OF WORK DONE DEPENDS   2.   THE POWER OF A BODY DEPENDS   3.    KINECTIC ENERGY AND POTENCIAL ENERGY OF AN OBJECTS DEPENDS.

Asked by Sushma 12th November 2017 1:27 PM

Is work energy theorem applicable in case of variable force ?

Asked by aayush 15th December 2017 8:32 PM

Calculate the power output of a gun which fires 30 bullets of 100g each with a velocity of 500m/s in 10s.

Asked by aahnik.mohanty 19th December 2017 9:04 PM

Prove that the increase in kinetic energy of a body=work done by the force on the body.The velocity of the body is increased by applying a constant force for some distance in the direction of motion.

Asked by aahnik.mohanty 19th December 2017 9:13 PM

29h ques

Asked by lovemaan5500 27th December 2017 1:35 PM

consider  a  rain  drop  of  rain  water  having  mass 1g  falling  from  a  height  of   1km. it  hits  the  ground  with  a  speed  of  50m/s . take   'g'  constant   with  a  value  10m/sec.square. The  work  done by  the  [a] gravitational  force  and  the  [b]  resistive  force  of  air  is ?

Asked by PARDEEP 31st March 2018 3:43 PM

What is work energy theorem explain it by giving a proof?

Asked by Singhab46996 21st July 2018 4:53 PM