Can someone explain to me what Murphy's law is and how it works?

Determine whether each statement concerning different wavelengths of light is true or false. Light with a wavelength of 100 nm is completely absorbed by the atmosphere. Light with a wavelength of 400 nm has the color of red.

What physical quantity does the slope of a displacement vs time graph represents

The windshield of a car has a total length of arm and blade of 9 inches, and rotates back and forth through an angle of 93degrees. What is the area of the portion of the windshield cleaned by the 7 -in wiper blade?

Which statement best describes the relationship between an object's density and its index of refraction? A. As the mass per unit volume of the substance increases, the refraction index decreases. B.

Electricity from the local power company costs 7.22 cents/kWh. A homeowner wishes to pay a maximum of 25 cents per month for the electricity to power a stereo system. For how many hours per month could the stereo system be used?

The 3.00 kg cube in fig. 15-47 has edge lengths d 6.00 cm and is mounted on an axle through its center. a spring (k 1200 n/m con - nects the cube's upper corner to a rigid wall. initially the spring is at its rest length.

A freight train traveling with a velocity of - 4. o m/s begins backing into a train yard. if the train's average acceleration is - 0.27 m/s^2 what is the trains velocity after 17s

How can we describe an atom

What is the volume of a gold nugget that weight 2.20kg. the density of gold is 19g/cm^3 ... ?

Explain how newton's first law of motion can be considered to be a consequence of newton's second law.