What is different about the different parts of the electromagnetic spectrum

A truck travels down the highway at a speed of 110 km/hr. How long does the trip last if the truck covered 2200km?

Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol.

how long will it take a sonar pulse that travels at the speed of 1,500m/s to return from a sunken ship that is at a depth of 3,750m?

What is the electrical charge of an electron?

Which of the following are decomposition reactions? ~There can be more then one answer~ A. K2CO3 (s) → K2O (s) + CO2 (g) B. 2Na (s) + Cl2 (g) → 2NaCl (s) C. 2LiOH (s) + CO2 (g) → Li2CO3 (s) + H2O (l) D. 2SO3 (g) → 2SO2 (g) + O2 (g)

Why fan rotates in a clockwise direction and why not in a anti clockwise direction

If the force of gravity increases, which mearsurement will change and how? A.) weight decreases B.) mass increases C.) mass decreases D.) weight increases

A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic friction is 0.19, what is the magnitude of the acceleration, in m/s2, of the box down the slope?

Identify the following as a suspension or a colloid. sand in water

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m