What is the mass number of an atom that has 12 neutrons and 11 protons?

24

23

12

How much power does an electric device use if the current is 36.0 amps and the resistance is 3.9 ohms? a. 140 watts b. 5,100 watts c. 550 watts d. 9.2 watts

What principle encourages us to resolve a set of stimuli such as trees across a ridgeline into smoothly flowing patterns

An air pump does 5,600 J or work to launch a water bottle rocket into the air. if the air pump applies 150 N of force to the rocket at an angle of 45 degrees to the ground, what is the horizontal distance the water bottle rocket travels?

At what age can you have sex

Because of its retrograde spin, Venus has a longer solar day than its year : Select one: TRUE FALSE

What causes an air conditioned to turn on

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

The speedof a boat in still water is v. The boat is to make a round-trip ina river whose current travels at speed u.

Why are there so few working wave power stations?

Two abiotic factor that effect an ecosystem are;