What is the centripetal acceleration of a body moving at a constant speed in a circle of radius 10.0 m and a period of 2.0 sec?

How many electrons does an atom of bromine need to gain to become more stable?

Under normal conditions, you are just barely able to lift a mass of 74 kg. Your friend drops a box of volume 2.4 m3 into a lake. If you are just able to lift it to the surface (so that it is still completely submerged), what is the mass of the box

Zachary, a lab instructor, is writing a safety contract that his chemistry class will use for an experiment. He mentions that students should not eat or drink in the lab. Which other item should also be included? A. Do not wear hats in the lab. B.

What is the kinetic energy of a 55-kilogram skier traveling at 9.0 meters per second? (1) 2.5 * 102J (2) 5.0 * 102J (3) 2.2 * 103J (4) 4.9 * 103J

The electron structures of atoms are not involved in the emission of:

What is the part of the cell that stores food?

2. A circuit consists of a 10.0-ohm resistor, a 15.0-ohm resistor, and a 20.0-ohm resistor connected in parallel across a 9.00-volt battery. What is the equivalent resistance of this circuit? (1) 0.200 12 (3) 4.62 1 (2) 1.95.22 (4) 45.012

What technology makes up the transducer? a. A phased array c. A PET scan b. An x-ray d. A laser

Explain how birthrates and death rates influence the size of population.

What happens to the resistance of a wire as its length increases? A. The resistance decreases. B. The resistance is not affected by a change in wire length. C. The resistance alternates between high and low values. D. The resistance increases.