Acombustion reaction usually gives off heat and light is it true or false

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank