I believe the correct answer is true. <span>A machine can make doing work easier by reducing the force exerted, changing the distance over which the force is exerted, or changing the direction of the force. Hope this answer the question.</span>
Answer:
4.96 km/hr
Explanation:
Given that,
A person is running west in Moscow at 2.1 km/hr relative to the ground
Another person is jogging east at 4.5 km/hr.
We need to find the velocity of the jogger relative to the ground. Using the concept of relative speed, let V is the required velocity. So,
So, the velocity of the jogger relative to the ground is 4.96 km/hr.
Answer:
One coulomb (C) of charge represents an excess or deficit of 6.24 x 1018 electrons
Explanation: