A car of mass 1500kg moving at 31 m/s decelerates and stops in a distance of 75m.

Calculate the deceleration of the vehicle (2 marks)

Estimate the braking force on the car. (2 marks)

How air particles exert a pressure on the inside of the balloon

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m