Show that the speed of sound in air increases by 61 cm/s fo
every 1"С rise of temperature. ​

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?