Question 6 (1 point)
In the diagram below, two identical objects are released from rest at the starting position. Object 1 was released first and sometime later Object 2 was released. The diagram below shows the positions of Objects 1 and 2 a short time after both were released.
Which object in the figure has the most kinetic energy?
a
Object 1
b
Object 2
c
Neither object has any kinetic energy.
d
Both objects have the same amount of kinetic energy.
a
Object 1
To determine which object in the figure has the most kinetic energy, we need to understand the factors that determine an object's kinetic energy. Kinetic energy is given by the formula KE = 0.5 * mv^2, where m is the mass of the object and v is its velocity.
In this case, the objects are released from rest, which means they initially have a velocity of zero. As they start moving, their velocities and therefore their kinetic energies increase.
Looking at the diagram, we can see that Object 1 is located higher than Object 2. Since both objects are identical, we can assume they have the same mass. However, the height at which an object is located can affect its potential energy, not its kinetic energy.
Therefore, at this short time after both objects were released, they have the same velocity but different potential energy. The object with the higher potential energy, which in this case is Object 1, will eventually have the most kinetic energy because potential energy is converted into kinetic energy as the object falls.
So the correct answer is:
a) Object 1
To determine which object has the most kinetic energy, we need to understand the factors that affect kinetic energy. The equation for kinetic energy is KE = 1/2 * m * v^2, where KE is the kinetic energy, m is the mass of the object, and v is the velocity of the object.
Since the objects are identical, they have the same mass. However, the velocity of an object is directly related to its kinetic energy. An object with a higher velocity will have a higher kinetic energy.
Looking at the diagram, we can see that Object 2 is located lower in the diagram than Object 1. This suggests that Object 2 has a higher velocity since it has traveled a greater distance in the same amount of time. Therefore, Object 2 has more kinetic energy than Object 1.
So, the answer is b) Object 2.