Abeverage can is thrown upward and then falls back down to the floor. as usual, a y axis extends upward (positive direction). which of the following best describes the acceleration of the can during its free flight?

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds