A 300 N force is applied to a box to move it up a ramp, as shown. 5 Om 300N 30m 4.Om How much work is done by the force when moving the box from X to Y? B A 900 j B 1200 J C 1500 D 3000)​

Which of the following correctly describes the early view of catastrophism?

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?