An orange of mass 40g falls freely from a tree to the ground through a distance of 2.5m. Calculate the velocity just before it hits the ground.

Explain how Pascal's principle can be used to design a fluid power system and describe how a fluid power system works.

Calculate the force of gravity on a 5 kg mass at Earth's surface. The mass of the Earth is 6 x 1024 kg and its radius is 6.4 x 106 m. Do not use scientific notation. Round to a whole number (no decimal).

The horizontal movement of air The outpouring of gases from the Earth's hot interior It holds a planet's atmosphere close to its surface A measured increase in air temperature with increasing height The most abundant greenhouse gas in the Earth's

People often break the speed limit and risk getting tickets and injury. On highway 5, people often drive 75mph when the legal speed limit is 70mph. Convert 75mph to m/s.

Which statement best explains why elements are matter? A) The building blocks of elements are small particles called atoms. B) Elements are pure substances that cannot be divided chemically.

What factors affect the speed of a wave? Check all that apply. the amplitude of the wave the energy of the wave the temperature of the medium the type of wave the type of medium

A sound level of 96 dB is how many times as intense as one of 90 dB?

Which type of waves are whale songs in an ocean?

Which is normally greater: static friction or sliding friction on the same object? Static friction is normally greater than dynamic friction. On the same object, static friction and dynamic friction are equal.

A child pulls a wagon 3.0 m using a force of 55 N at an angle 35° above horizontal. The force of friction on the wagon is 12 N. Calculate the net work done on the wagon