A block slides down a frictionless inclined ramp. If the ramp angle is 23° and its length is 49 m, find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?

Most short-period comets do not have randomly oriented orbits because

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?