Since atoms are mostly empty space, why don't objects pass through one another?'
1 answer:
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The gravitational force between the two balls is
Explanation:
The magnitude of the gravitational force between two objects is given by:
where :
is the gravitational constant
m1, m2 are the masses of the two objects
r is the separation between the objects
For the balls in this problem, we have
r = 0.74 m
Substituting into the equation, we find the gravitational force between the two balls:
Learn more about gravitational force:
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Answer:
The torque about his shoulder is 34.3Nm.
The solution approach assumes that the weight of the boy's arm acts at the center of the boy's arm length 35cm from the shoulder.
Explanation:
The solution to the problem can be found in the attachment below.
Answer: 50.7 J
Explanation:
Given
mass of lion is
The initial speed of the lion is
increased speed of lion is
Initially, its kinetic energy is
Final kinetic energy
work did by lion after speed up is