How fast must a 1000 kg car be moving to have a kinetic energy of 2000 J?
The car must move at 2 m/s to have a Ke of 2,000 Joules.
What is the potential energy of a 2 kg Plant?
Answer. Answer: Potential Energy=mgh=2×9.8×1.3=25.48.
What is the minimum energy required to break the egg?
Kinetic energy, K = ½ mv2, Note that this kinetic energy is also equal to the gravitational potential energy mgh. From all the three cars, the minimum energy required to break the egg is approximately 0.25 J.
What factors contribute most to the kinetic energy of a body in motion?
The two main factors that affect kinetic energy are mass and speed. Why? Because the motion of an object depends on how fast it’s traveling, but also how much mass it has, though velocity is the more important factor.
What factors affect potential and kinetic energy?
Since the state of motion of an object can change with time, the kinetic energy of an object can also change with time. The amount of Kinetic Energy that an object possesses is dependent on two factors: mass and velocity. Both of these factors are directly proportional to the kinetic energy.
How does the kinetic energy of a moving body depends on its speed and mass?
The kinetic energy of a moving object is directly proportional to its mass and directly proportional to the square of its velocity. This means that an object with twice the mass and equal speed will have twice the kinetic energy while an object with equal mass and twice the speed will have quadruple the kinetic energy.
What’s the relationship between kinetic energy and speed?
This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. For a threefold increase in speed, the kinetic energy will increase by a factor of nine.
Does steepness affect kinetic energy?
The kinetic energies are different, and the block on slope 1 has greater kinetic energy. Slope 1 is steeper, so the block gets to the bottom faster. Therefore it has a greater kinetic energy at the bottom. The kinetic energies are different, and the block on slope 2 has greater kinetic energy.