Physics question and answers for June 10, 2024
- Q 3 29 An object is attracted toward the origin with a force of magnitude F kx where k 5 N m How much work is done by the force F...
- Q body of mass 3 kg acted upon by a constant force is displaced by 5 metre given by relation 5 2 where t is in secore 3 rce is constant...
- Q SolveLancer Test The motion of 10 kg mass is represented by a graph as shown Calculate the change of KE of body S displacement a acceleration S 10 m a...
- Q A person climbs a ladder starting from bottom and stops at last step Which of the following options is true with reference to work energy theorem Change in kinetic energy...
- Q A force acts on a 30 g particle in such a way that the position of the particle as a function of time is given by x 3t 4t t3...
- Q 8 A particle moving in the xy plane undergoes a displacement given by Ar 2 01 m as a constant force F 5 0 2 0 N acts on the...
- Q A chain of mass M and length is held vertically such that its bottom end just touches the surface of a horizontal table The chain is released from rest Assume...
- Q A 10 kg box was placed on a ramp that is 25 inclined with respect to the ground It was pushed with a 100N N force where it moved 5...
- Q The gravitational potential due to earth at infinite distance from it is zero Let th gravitational potential at a point P be 5 J kg Suppose we arbitrarily assume th...
- Q apv d ap 15 A chain of length L and mass M is held on a frictionless table with 1 n th part hanging over the edge Work done in...
- Q 7 System shown in the figure is released from rest when spring is unstretched Pulley and spring is massless and friction is absent everywhere The speed of 5 kg block...
- Q 20 A wire lying along y axis from y 0 to y 1 m carries a current of 2 mA in the negative 0 3 T m yi y direction...
- Q T A Carnot engine whose sink is at 300 K has an efficiency of 40 By how much amount should the temperature of source be increased so as to increase...
- Q 3 A body of mass m accelerates uniformly from rest to v in time t As a function of t the instantaneous power delivered to the body is a mv...
- Q A uniform chain of length I and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the...
- Q 3 20 points The car A has a weight of 4500 lb and is traveling to the right at 6 ft s Meanwhile a 3000 lb car B is traveling...
- Q Two heating elements each of 220 V 3 5 kW rating are first joined in parallel and then in series to heat same amount of water through same range of...
- Q m 4 A box with mass m 1 25 kg is attached to a spring that is compressed a distance of 0 550 m with a spring constant of 225...
- Q A wind with speed 40 m s blows parallel to the roof of a house The area of the roof is 250m Assuming that the pressure inside the house is...
- Q Power is rate of doing work or the rate at which energy is supplied to the system A constant force F is applied to a body of mass m Power...
- Q particle travelling horizontally with speed u collides and sticks with a particle having double its mass hanging vertically at rest at the end of light inextensible string of length if...
- Q Statement A Energy is cause for doing work and work is th effect Statement B Energy is scalar quantity but power is a vector quantity A and B are correct...
- Q 4 kg mass F moving at 5 m s to the x direction collides with a 3 kg mass G at rest After the collision mass F moves at 3...
- Q 68 In a two dimensional motion instantaneous speed V is a positive constant Then which of the following are necessarily true a The average velocity is not zero at any...
- Q 51 A cricketer hits a ball and it possess kinetic energy E ball making an angle 30 with horizontal then its K E at the highest point is a C...
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