A plane's average speed between two cities is 600 km/hr. If the trip takes 2.5 hrs. how far does the plane fly?

The terrestrial planets are made almost entirely of elements heavier than hydrogen and helium. According to modern science, where did the elements heavier than hydrogen and helium come from?

A quarterback throws a football 40 yards in 4 seconds. what is the average speed the football

12. Two ice skaters are initially at rest. The 78.2 kg male ice skater pushes his 48.5 kg female partner forward and away from his body with a velocity of 8.46 m/s. What is the male skater's velocity as a result of the push

The frequency of the second harmonic of a certain musical instrument is 100 Hz. What is the fundamental frequency of the instrument? 100 Hz 50 Hz 150 Hz 200 Hz

How does the structure of the alveoli relate to its function in the lungs

Helium is considered a noble gas because it has a _blank___ valence electron shell

Calculate the mass of an 86kg object on the moon

Assume you live in a Einsteinian universe with the speed of light being only 60 k / hr. First you see a bicyclist at rest and later you see the same cyclist moving at 55 km/hr. Describe quantities that would change.

52. In an ideal gas the molecules possess a. Only potential b. Only kinetic energy c. Kinetic and potential energy both d. Only gravitational energy

To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x - 6 x 2, where F is in Newtons and x is in meters.