Question 2: The number of protons plus the number of neutrons in an atom is equal to its

A. atomic number

B. mass number

C. nuclear model

D. energy level

How much did the center of mass of the person-boat system move when the person walked from one end to the other?

Question 11 Saved Farmers in areas where there are no major rivers still require water for their crops.

Katie Cool buys a fancy Jaguar car that can accelerate at the rate of 4.9 m/sec2. She decides to test the car by racing with another speedster, Steve Speedy. Both start from rest, but experienced Stan leaves the starting line 1.0 sec before Katie.

Which process best describes part of a scientific investigation? O designing a solution O evaluating the conclusion O evaluating the solution O identifying the conclusion

True or false: dimensional analysis can give you the numerical value of constants of proportionality that may appear in an algebric expression

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?