Acow’s mass is 410 kg and a car’s mass is 565 kg. what is the difference between their weights? a. 1470 n b. 1520 n c. 1540 n d. 1500 n

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Awalk up the phase change graph worksheet

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)