Which of these is an effect of space travel?

muscle shrinkage

decreased bone density

bone density increase

increase in muscle mass

What the charges of the nucleus

Hector has a piece of pure substance that reflects light and bends or dents when dropped. if he takes it to a factory that makes electrical wires it could? a. be turned into wire because non-metals are ductile but not shiny b.

Alan rents a private jet for the weekend. He flies 400 km south to New York, then flies 700 km west to Chicago, then 1200 km to south Miami. What distance did he cover? And what was his displacement

Consider a system of two particles: ball A with a mass m is moving to the right a speed 2v and ball B with a mass 3m is moving to the left at a speed v.

Two cars of the same mass have different velocities. Which car has more momentum

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

To generate higher profit margins, producers must work to increase their total supply. increase their total expenses. decrease their customer base. decrease their production costs

Solar energy isn't usually used as the only power source for a reason because what

What particle can be stopped by skin

What was significant about the atomic theory that democrituis proposed?