The spring constant of a car suspension is 50,000 N/m and it is stretched by 0.05 m, what is it's elastic potential energy? *
O A 31.23
O B 0.62 J
O C 62.5 J
D 0.3 J

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

How does the entropy of steam compare to the entropy of ice?