How did the coastal mountains form

If objects travelling at near the speed of light gain mass because their energy of their motion is being converted into mass, the does a photon gain mass?

What are some important factors to consider when choosing a warm-up before your workout?

Earth's oceans have an average depth of 3800 m, a total area of 3.63 * 108 km2, and an average concentration of dissolved gold of 5.8 * 10?9 g/l. how many grams of gold are in the oceans? enter your answer in scientific notation.

A spring that has a force constant of 1050 N/m is mounted vertically on the ground. A block of mass 1.95 kg is dropped from rest from height of 1.75 m above the free end of the spring. By what distance does the spring compress?

How much power does a hair dryer require to transform 198000

How can the time period of a pendulum be decreased or increased

A space probe is sent to the vicinity of the star Capella, which is 42.2 light-years from the earth. (A light-year is the distance light travels in a year.) The probe travels with a speed of 0.9930c.

ngrid kicks a football with an initial velocity of 12 m/s at an angle of 45° relative to the ground. The horizontal component of the initial velocity to the nearest tenth is m/s.

A 60-watt light bulb has a voltage of 120 volts applied across it and a current of 0.5 amperes flows through the bulb. What is the resistance of the light bulb?

In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (including the slit spacing) the same, then The fringes stay the same brightness and get closer together.