yes
True
While overall ENERGY has to be conserved, MASS does not. In a nuclear reaction mass can be converted into energy so the mass of the products may be less than the mass of the reactants. The difference in mass is converted into energy as Einstein's equation describes (E=MC squared). In a chemical reaction MASS has to be conserved.
No. Total energy is always conserved, but not so mechanical energy.
no it's not cuz if there is friction energy wont be conserved
no it's not cuz if there is friction energy wont be conserved
Momentum is conserved in a collision. If two cars have the same mass and are traveling at the same speed and collide headfirst, the momentum of both cars cancel each other out and they will be motionless. If one has greater speed or mass than the other, it will still have the difference in momentum after the collision.
A energy can be changed or transformed. When you rub your hands together,your hands become warm. Mechanical energy due to motion is changed into heat energy
A energy can be changed or transformed. When you rub your hands together,your hands become warm. Mechanical energy due to motion is changed into heat energy
A energy can be changed or transformed. When you rub your hands together,your hands become warm. Mechanical energy due to motion is changed into heat energy
Therefore energy is conserved.
There is no mass loss: both mass and energy are conserved. To find the mass of the 50 TJ energy, divide that by the speed of light (in meters/second) squared. The answer will be in kilograms.
Not really, no.