When is the average velocity of an object equal to the instantaneous velocity?

A visible violet light emits light with a wavelength of 4.00 * 10-7 m. Calculate the frequency of the violet light.

The step-down transformer gives a current of 10A at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

Type of force that keep objects moving in a circle or arv

Magnesium metal reacts with hydrochloric acid to form magnesium chloride and hydrogen gas. Suppose we react an excess of magnesium metal with 20.0 mL of a 3.

Compared to all of Earth's oceanic crust, how old is the seafloor just west of Mexico?

Which statement best defines inertia?

When you put a ice cube in a warm drink and the ice cube thermal energy decreases and the drink thermal energy increases, how does the energy move? What is the situation when the ice cube would give off the heat?

A man dressed in all black is walking down a country lane. Suddenly, a large black car with no lights on comes around the corner and screeches to a halt. How did the car's driver know he was there? this is tricky

The gravity of mercury is 3.7 n/kg. Find the mass of an astronaut who weights 241 Newton's on mercury

Why does oxygen have a lower ionization energy than nitrogen?