Magnetism at the centre of a bar magnet is

A. minimum

B. maximum

C. zero

D. minimum or maximum

HURRY UP Starting with 100 grams of uranium-238, after one half life has gone by, how many grams of uranium-238 will remain? Group of answer choices 50 g 100 g 12.5 g 25 g

If the water in the bathtub has a higher temperature than the air in the bathroom, which will occur? No heat exchange will take place. Heat will flow from the water into the air. Cold will flow from the air into the water.

Which statement is true about a polarized object? 1. It gains electrons and becomes negatively charged 2. It gains protons and becomes positively charged. 3. The number of positive and negative charges can be the same. 4. It has to be a metal. 5.

a professor of height 1.8 m and 0.75 m width has a mass of 85kg and layson a densely packed bed of nails, how much pressure does the professor feelfrom the nails? Assume the professor is rectangle. a) 330 atm

What is gravitational force?

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?