Why did Jim Bridger build a fort along the Oregon Trail? AGave travelers a safe spot to hide from bears
B Offered protection to explorers against the British
C Rest stop and good spot for trading post
D Shelter for Native Americans during snowstorms

Ajogger accelerates from rest to 4.86 m/s in 2.43 s. a car accelerates from 20.6 to 32.7 m/s also in 2.43 s. (a) find the magnitude of the acceleration of the jogger. (b) determine the magnitude of the acceleration of the car. (c) how much further does the car travel than the jogger during the 2.43 s?

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c