If you have a gross of items, you have 144 items. If you buy a gross of eggs, how many dozen eggs do you have?

As you add or remove neutrons from the nucleus, isotopes are formed

Why is it incorrect to say that vascular tissue, gametophytes, and fronds are all found mosses

If you throw two bowling balls up, each with different mass, does the lightest one go the highest? Why (include the factor of drag coefficient) ?

A 82.1 kg person stands on a scale. what normal force does the scale exert on him? (Unit = N)

A student wanted to obtain a very accurate value for the volume of a piece of steel. he filled a 100.0 cm3 graduated cylinder to the 50.0 cm3 mark with water. after he carefully dropped the steel into the cylinder, the water level rose to the 55.

Crickets chirpy and milada jump from the top of a vertical cliff. chirpy drops downward and reaches the ground in 2.70 s, while milada jumps horizontally with an initial speed of 95.0 cm>s.

Explain how gamma rays are produced by energy

A mechanical wave may be described as a disturbance that is transported through a medium via the mechanism of particle-to-particle interaction. Which of these is not classified as a mechanical wave? A) earthquake B) light C) sound D) water

How many paths do the electrons have to flowlin a series circuit?

A force of 6 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work W is done in stretching it from its natural length to 8 in. beyond its natural length?