What is the mass of the sun times 54

Calculate the rotational inertia of each of the following uniform objects about the axes indicated: a) A thin 2.5 kg rod of length 0.75 m, about an axis perpendicular to it and passing through its center. b) A 3 kg thin walled hollow sphere 0.

A proton in an accelerator attains a speed of 0.772c. what is the magnitude of the momentum of the proton?

According to the ideal gas law, increasing the volume of a closed reaction container decreases the thermal energy because the A) R is divided. B) temperature increases. C) collision frequency remains the same.

Two people on skateboards, Brian and Amy, push off from each other. Brian has more mass than Amy. Who experiences a larger force?

Find the volume of water displaced for 1.5 kg of pure gold.

Like the polar bear, the walrus is a strong swimmer, although it does not have the same endurance. For short periods of time, a walrus can swim at an average speed of 9.7 m/s. How far would a walrus swim at this speed in 3.4 minutes?

How did Einstein's and Newton's theories differ in terms of explaining the cause of gravity?

A sled being dragged to the right across loosely packed snow with a rightward acceleration

Imagine two artificial satellites orbiting earth at the same distance. one satellite has a greater mass then the other one which of the following would be true about there motion? 1.

What is energy? (Not the answer from google search.)