If engine A has more power than engine B, what does one know for sure? Engine A is able to move a car further.

Engine B can do more work in less time.

Engine A is able to accelerate a car faster.

Engine B gets better gas mileage.

Which changes of state do the labels represent? a: b: c:

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s