good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Ways that industry and agriculture use physical properties to separate substances

Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.