What are the two main forces in a star

What is the weight of a bag that has the mass of 18.0kg

Which star is a supergiant? A. Pollux B. Deneb C. North Star (Polaris) D. Sirius B

By scratching a mineral with various substances, scientists are able to determine the mineral's

Imagine that the apparent weight of the crown in water is Wapparent=4.50N, and the actual weight is Wactual=5.00N. Is the crown made of pure (100%) gold? The density of water is rhow=1.00 grams per cubic centimeter. The density of gold is rhog=19.

According to newtons second law of motion, the acceleration of an object equals the net force acting on the object divided by the objects

Which of the following has the greatest amount of kinetic energy a) slice of pizza b) a person at the top of the stairs c) wind d) a book on a table

Physical properties within a period are more alike than physical properties within a group. True false

A 50-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 30.0° below the horizontal is applied to the box. The coefficient of static friction between the box and the surface is 0.

As you heat a steak on a grill, what kind of energy are you increasing in the steak?

If Anya decides to make the star twice as massive, and not change the length of any crossbar or the location of any object, what does she have to do with the mass of the smiley face to keep the mobile in perfect balance?