All gymnosperms lose their leaves in the winter, is this true or false?

a catapult is used to project a stone of mass 50g. if the rubber of the catapult has an elastic constant of 200N/m and was stretched 5cm, what speed can it give to the mass

What type of mechanical wave needs a source

Which is commonly called the language of science

Pressure and volume changes at a constant temperature can be calculated using a. Boyle's law. c. Kelvin's law. b. Charles's law. d. Dalton's law.

Explain when a balance of charges occurs in an ionic compound.

A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s. What is the distance between the flying bullets?

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner

Watt which is a unit of power is equal to

A certain wave has a wavelength of 35 meters and a frequency of 4.0hz. What is the speed of the wave

What is the Force in Newtons exerted by an object with a mass of 15 kg and an Acceleration of 12 m/s2?