How many teeth does an average human have

Two sealed 1 l containers full of gas are at room temperature. Container a has a pressure of 4 atm and container b has a pressure of 2 atm. What must be true about the number densities of the gases in these containers?

You've been called in to investigate a construction accidentin which the cable broke while a crane was lifting a 5300 kg container. The steel cable is 2.0 cm indiameter and has a safety rating of 50,000 N.

During an ultrasound, sound waves are sent by a transducer through muscle tissue at a speed of 1300 m/s. Some of the sound waves are reflected from a metal fragment in the muscle and are detected by the transducer 1.

How old is the universe

100f = 27.272727 ... -f - 0.272727 ... ? f=

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.