According to the law of reflection, the angle of incidence is equal to the angle of

Name at least two ways acids and bases are useful around your home

A fireman is sliding down a fire pole. As he speeds up, he tightens his grip on the pole, thus increasing the vertical frictional force that the pole exerts on the fireman.

g A 47.3 kg girl is standing on a 162 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.36 m/s relative to the plank.

Astronomers use radio waves to learn about the universe. Radio waves travel light-years through space before reaching Earth. Radio waves must be which type of wave

If your town issued an emergency flood warning, what steps would you take?

What is chemical equilibrium

Newton laws what are they

A hollow steel ball of diameter 3.0 m barely floats in water. What is the thickness of the wall of the ball? The density of iron is 7.87 g/cm3 and that of water is 1000 kg/m3. A) 37 cm B) 6.6 cm C) 79 cm D) 131 cm

if come convinced yuor friend to lend you her notes to study for an exam, what would this situation be an example of?

What affects the energy stored in a mass on a spring more?