Can someone define string theory for me as a brief definition

If Joe rides his bicycle in a straight line for 15 min with an average velocity of 12.5 km/h south, how far has he ridden?.

What is the value of charge of a body that carries 20 excess electrons?

A trumpet player, using her ear, hears 5 beats per second when she plays a note on her trumpet and simultaneously sounds a 440 Hz tuning fork.

A. Four equal particles with positive charge q = 14.418x10-19 C and mass m = 81.99x10-31 kg are initially held at the four corners of a square of side L = 0.07 m. What is the total electric potential at the center of the square? (in V) B.

The main disadvantage of nuclear power is

How does the mass of an astronaut change when she travels from earth to the moon? how does her weight change?

If an object has a mass of 20 grams and a volume of 40 cm3, what is its density in g/cm3?

Discuss how systematic and random errors influence the precision and accuracy of an experiment.

Matthew rolls a bowling ball with a speed of 2 meters/second. The ball hits the pins with 1.8 joules of kinetic energy. The mass of the bowling ball is kilograms. NextReset

Many schools require freshmen to live