A mailman performed 296 J of work lifting a box of 1.6 m. How much force did the mailman use?

What causes a neap tide?

What are the reactants in the following chemical equation NaCl+AgF=>NaF+AgCl

If a creature cats Ferrari, with an initial speed of 10 m/s, accelerate at a rate of 50 m/s/s for 3 seconds, what will it's final speed be?

Explain what it means when we say a substance is magnetic. That is type of substance which produce magnetic field

Explain why the air we breathe and solids, such as steel and bronze, are solutions or homogeneous mixtures, just like salt water is?

Water is a compound. O A. True B. False

How do air quality scientists ensure the air is cleaned? What steps do they take?

Is a mirrors surface opaque or transparent or translucent?

Sound waves can combine to become bigger or smaller true or false

Archimedes supposedly was asked to determine whether a crown made for the king consisted of pure gold (density of gold is 19.3 * 103 kg/m3). According to legend, he solved this problem by weighing the crown first in air and then in water.