Agalloping pony speeds past you at 5 m/s. the frequency of the sound produced by the hooves on the dirt is 221 hz. assume the speed of sound to be 342 m/s. what is the observed frequency of the hooves after the pony has passed your position?
1. 218 hz
2. 226 hz
3. 216 hz
4. 224 hz

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

What is the momentum of a 2 kg object moving at 15 meters per second

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.