What is the sound? and tell his main types

what is the acceleration of a cabinet of a mass 45 kg if it is pushed by applying horizontal force of 25 Newtons and 18 Newtons

A crane exerts a net force of 900 N upward on a 750-kilogram car as the crane starts to lift the car from the deck of a cargo ship. What is the acceleration of the car during this time?

A cat is moving at 18 m/s when it accelerates at 4 m/s2 for 2 seconds. what is his new velocity?

At room temperature what is the strength of the electric field in a 12-gauge copper wire (diameter 2.05 mm that is needed to cause a 2.75 a current to flow?

What is the difference between atomic mass units (amu) and unified mass units (u or Da) ?

What is not a factor that affects the viscosity of magma?

While driving his 600-kg ultra-compact electric car, a distracted driver starts crossing a drawbridge. Not realizing that the drawbridge is about to open, he ends up in the river below with his car.

A police officer's radar gun emits radio waves at a frequency of 10.7 GHz10.7 GHz. What is the difference in the frequencies reflected back to the radar gun by a car traveling at the 75 mph75 mph speed limit and a car travelling 9 mph9 mph faster?

Function of a battery

When an electric current runs through a wire, a magnetic field is induced ... O Around the wire O Parallel to the wire O Under the wire O Through the wire