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
The product of pressure and volume (PV) has a unit of:
Energy or Work
All moving objects have the same amount of kinetic energy.
true or false
False
Energy which is transferred in doing any activity is in the form of _____.
Both A and B
Kinetic energy is the energy of motion.
true or false
true
