A 2kg cart traveling at 6 m/s collides with a 2 kg cart at rest. What is the total final momentum of the system?

A) 0 kg m/s
B) 12 kg m/s
C) 3 kg m/s
D) 4 kg m/s
E) 2 kg m/s

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

What is a possible result of higher air temperature caused by global warming