Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 40J 20 J 200J 400J 40J 20 J 200J 400J ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 1 and 2 only 1 only 1, 2 and 3 2 and 3 only 1 and 2 only 1 only 1, 2 and 3 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Sit down with raised hands Raise his hands up Bring his hands together Spread his hands outwards Sit down with raised hands Raise his hands up Bring his hands together Spread his hands outwards ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be At the same level in both At a higher level in alcohol Floating in alcohol and sinking in water At a higher level in water At the same level in both At a higher level in alcohol Floating in alcohol and sinking in water At a higher level in water ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Acceleration Distance Velocity Speed Acceleration Distance Velocity Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are None of these Both A & B Water Earth's heat None of these Both A & B Water Earth's heat ANSWER DOWNLOAD EXAMIANS APP
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