8.0kg rocket fired horizontally encounters a force of air resistance of 4.9 n. the force supplied by the rocket's engine is 60.9n. what is the net force accelerating the rocket?

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.