Which object is not accelerating? A A baseball player sliding into home base.

B A blue Ford 150 pick-up truck speeding up from 50 mph to 80 mph.

C A ladybug crawling forward at constant rate of 2.5 m/s.

D A student riding on a Ferris wheel at a constant rate of 5.0 m/s.

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?