
An object weighs 3300 N. What is the object's mass? An object weighs 3000 lb. What is the object's weight in N? An object weighs 2700 N. What is the object's weight in lb? The mass of a certain elepha

Attached are 4 questions that I need the answers to

I have a set of revision questions I'm having trouble with. If possible, when answering them, could you please provide a basic explanation/working out on how you worked the questions out? Thanks.

I have attached some physics questions. Yes, I am aware that these questions are answered on course hero in another post. However, many of the answers I have come up with are quite different. I would

Suppose you use the tip of one finger to support a 1.0 kg object. If your finger has a diameter of 2.0 cm, what is the stress on your finger?

The Article: http://www.sciencemag.org/content/162/3859/1243.full Read the supplemental paper, Tragedy of the Commons (Links to an external site.) , by Garrett Hardin. This older article written durin

A merrygoround is spinning and has a period of 7.25 s. A boy jumps off in a direction parallel to the radius and, by so doing, changes the moment of inertia of the merrygoround from 575 kg m 2 to

Two football players are moving toward each other in a straight line. Number 56 has a mass of 109 kg and a velocity of 2 m/s (in the positive x direction). Number 22 has a mass of 121 kg and a veloci

A flywheel is a solid, rotating disk that is sometimes used to store energy. The moment of inertia for a solid disk is, where M is the mass and R is the radius. For a flywheel that weighs 10 kg and ha

A 5 kg ball moving in the + x direction at 3 m/s collides head on with a 1 kg ball initially at rest. The collision is inelastic. After the collision, the 1 kg ball is traveling at 4 m/s in the + x di
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 The Earth’s rate of rotation is constantly decreasing, causing the day to increase in duration. In the year 2000 the Earth takes about 0.548 s longer to complete 365 revolutions than it did in the year 1900.
 (a) What is the average angular acceleration of the Earth?
 (b) If this average acceleration remains constant, in what year will the Earths rotation come to rest?
1. Can you show me step by step how to solve this problem?:
 A spherical balloon is made from a material whose mass is 3.00kg. The thickness of the material is negligible compared to the 1.5m radius of the balloon. The balloon is filled with helium (He) at a temperature of 305degrees K and just floats in the air, neither rising nor falling. The density of the surrounding air is 1.19kg/m^3. Find the absolute pressure of the helium gas
2. I do not understand this Ideal Gas Law and Kinetic Theory question. Can you help me set it up?