Jim measures the count rate of a sample of americium-241 as 120cpm. Roughly how long would it take for the count rate to fall below 4 cpm. Show your working

A thermometer is placed directly sunlight will it read the temperature of the air or of the sun or of something else?

If we compare and contrast the three liquid seem in the jar

Correct your friend that says, "The dragster rounded the curve at a constant velocity of 100 km/h." In other words, what is wrong with this statement.?

Which improves air circulation in forced-air heating? 1. convection 2. radiation 3. conduction

How wind effect on climate

Which of these is an example of a totalitarian regime A.) Canada under prime minister Trudeau's rule B.) the Soviet Union under Josef lo

Since 1 pound = 4.45 newton, what is your earth weight in newtons?

A girl moves at 2m/s delivering newspapers. she throws a newspaper directly behind her at 2m/s. in the frame of reference of someone standing nearby what is the motion of the newspaper.

What forces are acting on matter through contact or no contact

Consider the following when writing your report: a) Start by making a rough plan for how you will solve the problem. In particular, divide the big problem into two or more smaller problems that each involves one basic physics idea.