If the momentum of an object is doubled, but its mass does not increase (so velocity remains well below the speed of light), then its velocity is doubled. If the velocity is doubled then the kinetic energy increases by the square of 2, or four time. Hence kinetic energy of the body will be 4 times to its eirlier value.Herein, what happens to kinetic energy when momentum is doubled?
Kinetic energy of a body of given mass, is directly proportiional to its square of its velocity. When momentum is doubled, mass remaining constant, this means velcity is doubled. when the momentum is doubled, the kinetic energy goes up by a factor of 4 which represents a 300% increase.
Secondly, can a body change in momentum without changing in kinetic energy? You have to remember than both momentum and kinetic energy depend upon the mass (m) and velocity (v) of the body. So, it not possible to change the momentum of a body without changing its kinetic energy and vice versa.
Similarly, what happens to momentum when velocity is doubled?
Mass and velocity are both directly proportional to the momentum. If you increase either mass or velocity, the momentum of the object increases proportionally. If you double the mass or velocity you double the momentum.
Can a body have energy without momentum?
Yes, a body can have energy without possessing momentum. A body may have potential energy and still can be at rest. This means it would have zero momentum and still it could possess energy. E.g. A brick placed on the top of a building has a PE = mgh, but has got no momentum because it is not moving.
What is the relation between momentum and kinetic energy?
Relation between momentum and kinetic energy. Note that if a massive particle and a light particle have the same momentum, the light one will have a lot more kinetic energy. If a light particle and a heavy one have the same velocity, the heavy one has more kinetic energy.What is the speed of a moving body doubled?
When the velocity of a moving object is doubled, the following things happen; Its momentum gets doubled, compared to its earlier value. Its kinetic energy is quadrupled, compared to its earlier.What happens if mass and velocity are doubled?
If you double mass and double velocity, you get eight times the kinetic energy, no matter what your first energy is. The mass of 10 kg is dropped from 50 cm height. An object has kinetic energy of 1000J due to its linear motion.Is there a negative momentum?
Explanation: Momentum is a vector quantity, given by the product of an object's mass and velocity. If the velocity of the object is negative, i.e. the object is traveling in what has been chosen as the negative direction, the momentum will also be negative.Does mass increase velocity?
According to Newtonian mechanics the mass of a body does not change with velocity. However, conservation laws, especially here the law of conservation of momentum, hold for any inertial system. Hence, in order to maintain the momentum conserved in any isolated system, mass of the body must be related to its velocity.How can you change an object's kinetic energy?
A force acting on an object that undergoes a displacement does work on the object. If this force is a net force that accelerates the object (according to Newton's second law), then the velocity changes due to the acceleration. The change in velocity means that there is a change in the kinetic energy of the object. 
