Two cars with the same velocity must have the same speed. True or false?

Which type of reaction releases the most energy? nuclear chemical physical

How can an element be identified using its emission spectrum? A. By measuring the frequencies of the spectral lines, and calculating the energies that these correspond to B.

The force of attraction between two like charged table tennis balls is 2.4 * 10-5 newtons. If the charge on the one is 3.8 * 10-8 coulombs and on the other is 3.0 * 10-8 coulombs, what is the distance between the two charges? (k = 9.

The force of attraction that holds together positive and negative ions is called ain)

The blade on a typical table saw rotates at 3300 revolutions per minute. calculate the linear velocity in miles per hour of one of the teeth at the edge of the 14 inch diameter blade.

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases