Amass m at the end of a spring oscillates with a frequency of 0.83 hz. when an additional 730 gmass is added to m, the frequency is 0.65 hz. what is the value of m?

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

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.

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.