Advertisements
Advertisements
Question
Define the following:
loss of kinetic energy in an inelastic collision.
Solution
The difference in total K.E. before the collision and total K.E. after collisions is equal to the loss of K.E. during a collision.
∆Q = Total K.E. before the collision – Total K.E. after the collision.
APPEARS IN
RELATED QUESTIONS
What are the various non-commercial sources of energy?
How are the rates of consumption of energy and economic growth connected?
What problems are being faced by the power sector in India?
A ball of mass 1 kg and another of mass 2 kg are dropped from a tall building whose height is 80 m. After, a fall of 40 m each towards Earth, their respective kinetic energies will be in the ratio of ______
A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is ______
A particle is placed at the origin and a force F = kx is acting on it (where k is a positive constant). If U(0) = 0, the graph of U(x) versus x will be (where U is the potential energy function)
A bob of mass m is attached to one end of the rod of negligible mass and length r, the other end of which is pivoted freely at a fixed center O as shown in the figure. What initial speed must be given to the object to reach the top of the circle? (Hint: Use law of conservation of energy). Is this speed less or greater than the speed obtained in section 4.2.9?
What percent of rural households use bio-fuels for cooking?
Compact fluorescent lamp (CFL) consumes ______ percent less power than ordinary bulb?
Which of the following reforms has been initiated recently to meet the energy crisis in India?