A steel wire 2.0m is length and 2.0mm inn diameter supports 10-kg mass. What is the stress in the wire?
(a) 3.010 (6) 3.11 N/m² (c) 31N (d) 3.1 x 10'N/m
2

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?

Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia