A student is throwing a ball. She throws the ball up with her left hand, it passes over her head, and she catches it with her ri
ght hand. The picture shows the path of the ball. The ball is numbered at different positions. What is happening at position 2?
A.Kinetic energy increases as potential energy decreases.
B.Potential energy increases as kinetic energy decreases.
C.Kinetic energy is zero, and the potential energy is greatest.
D.Potential energy and kinetic energy both stay the same.
A.Kinetic energy increases as potential energy decreases.
B.Potential energy increases as kinetic energy decreases.
C.Kinetic energy is zero, and the potential energy is greatest.
D.Potential energy and kinetic energy both stay the same.
1 answer:
You might be interested in
= 454.55 g/cm3
I'm not too sure since the graduated cylinder was missing and I really don't know how to do it then. But give this a shot. Are you sure it wasn't a graduated cylinder, because I have no idea what that means
Answer:
44 N
Explanation:
The electrostatic forces between two charges is given by:
where
k is the Coulomb's constant
q1 and q2 are the two charges
r is their separation
We notice that the force is directly proportional to the charges.
In this problem, initially we have a force of
F = 22 N
on a q2 = 4.0 C, exerted by a charge q1.
If the charge is doubled,
q2 = 8.0 C
This means that the force will also double, so it will be