Kinetic Energy Flashcards
____ is the capacity to do work or to produce heat.
Energy
Calculate the kinetic energy of a 4 kg object moving at 10 m/s.
200J
What happens to the kinetic energy of a moving object if its velocity is doubled?
Kinetic energy is quadrupled
The mathematical equation for kinetic energy is _______.
KE= 1/2mv^2
The kinetic energy depends upon _______.
Mass and Velocity
A calorie is equal to _____ joules.
4.184, 4.184 J(any of these)
A moving bus possesses _____ energy.
Kinetic
Energy stored in matter and released during a chemical reaction is called _____ energy.
a. Kinetic
b. Potential
Potential
Kinetic energy is energy that an object possesses because of its _____.
Motion
The SI unit for energy is ___
joule
A certain chemical reaction releases 850 J of energy. Convert this quantity to calories.
203 cal
An object of energy due to its motion is ___
energy.
kinetic
The _____ energy of wind helps a windmill to generate power.
Kinetic
Two trains, A and B are moving at a speed of 20 km per hour and 30 km per hour respectively. Which type of energy do these two trains have?
Kinetic Energy
A ball is dropped from the top of a cliff. Which of the following statements describes the energy transfer taking place as the ball falls toward the ground?
Potential energy is converted to kinetic energy
