When you increase the tension on a piece on a piece of wire the speed of waves on it increases but the wavelength stays constant what happens to the frequency of the waves as the tension on the wire is increased

From where on Earth could you observe all of the stars during the course of a year? What fraction of the sky can be seen from the North Pole?

an electron gun emits electrons one at a time at a rate of 1000 electrons/minute. Calulate the current produced by this electron.

Use organelle in a sentence

The specific heat capacity of ethanol is 2440J/kg °C. How many joules of energy will be required to heat 150g ethanol to 35°C if the starting temperature is 22°C?

A dart is thrown at some speed v at 45° above the horizontal, with the aim of hitting the bull's eye of a dartboard located 2.5 m away.

A dog has a mass of 12 kg. What is its weight? Round your answer to the nearest whole number.

A particle gas consists of N monatomic particles each of mass m all contained in a volume V at temperature T. Your answers should be written in terms of the Boltzmann constant kB and Avagadro's number NArather than R=NAkB.

A football travels 25 m in 2.5 seconds. What is the speed of the football?

A 25 kg ball is thrown into the air when thrown it's going 10 m/s calculate how high it travels

As part of a circus performance, a man is attempting to throw a dart into an apple which is dropped from an overhead platform. Upon release of the apple, the man has a reflex delay of 215 milliseconds before throwing the dart.