Two identical charged objects exert an electrostatic force of 50 N onto each other when they are 125 km apart. The force is an attractive force. What are the charges of the objects? 65.9 C each
9.3 C and -9.3 C
9.3 C each
65.9 C and -65.9 C

How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.

The dot diagram represents the motion of the motorcycle as it moves from left to right

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.