Kinetic energy = 1/2 * m * V^2
K = 1/2 * 2kg * 4
Time = 15/-0.5 = 14.5/-0.5 = 14.5s
The answer is 14.5s
Sorry no one would answer it sooner.
That latest value for the Angle is in Grads, not in Kilograms.
Apply law of conservation of momentum along vertical direction.
Apply law of conservation of momentum along the horizontal direction
The second ball velocity is 
The magnitud of final total momentum is
The magnitude of final energy is
Answer:
law of gravity
Explanation:
cause the ball was still moving
Answer:
Explanation:
Heat is probably the easiest energy you can use to change your physical state. The atoms in a liquid have more energy than the atoms in a solid. There is a special temperature for every substance called the melting point.They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. EXAMPLE: Solid ice melting into liquid
