Determining wavelength

An infrared wave traveling through a vacuum has a frequency of 4.0 1014 Hz. What is the wave's wavelength?

75 x 107 m

7.5 x 10-7m

12 x 1014 m

1.2 x 10-14 m

The distance traveled by an ibject divided by thr time it takes to travel that distance is called?

An electric current in a metal consists of moving (A) Protons (B) neutrons (C) electrons

A runner has a speed of 5m/s and a mass of 130 kg what is his kinetic energy?

Which scientists supported the idea that light is made of streams of particles? Check all that apply.

A fan cart initially has an acceleration of 1.6m/s/s when it's fan is directed straight backwards. If you rotate the fan by 45°, by what percentage do you expect the fan cart's thrust to decrease? (Answer should be in units of %)

According to a college survey, 22% of all students work full time. find the mean for the number of 3) students who work full time in samples of size 16.

How Much Potential Energy Does A 50kg block of Ice a Height of 4m Have?

In a summer storm the wind is blowing with a velocity of 8m/s north. Suddenly in 3 seconds, the winds velocity is 23m/s north. What is the winds acceleration?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?