Which is not true of low back pain? A. Most recover in 4–6 weeks. B. It affects just less than half of all adults. C. The recurrence rate can be quite high if not treated properly. D. Disk compression is one of a few common causes.

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.

What is the momentum of a 2 kg object moving at 15 meters per second

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?