A runner covers the last straigjt stretch of a race in 4 s. during that time, he speeds up from 5m/s to 9m/s.

Which sentences describe the cyclone device?

What two kinds of motion combine to to produce projectile motion

Which types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of microwaves? gamma rays X-rays infrared light radio waves

A car travels 20 miles in 1 hour 15 minutes. What is its average speed

Find the momentum of a heavy automotive weighing 5850 lb traveling 70 ft/s

Which theorist proposed that kohlberg's theory has a strong male bias

According to the kinetic theory of gases, the kinetic energy of molecules is proportional to which factor? A. Concentration in moles/liters B. temperature in kelvin

A large container of water is sitting on a balance. The weight of the container plus the water is 10 newtons. An object the weight of 7 newtons hanging from a forcemeter is lowered towards the surface of the water.

Which of the following could you do to increase the strength of an electromagnet?

A car accelerates from 13 m s to 25 m s in 6.0 s. what was its acceleration? how far did it travel in this time? assume constant acceleration.