An atom has 14 protons and 15 neutrons, what is its mass number?

I'm desperate 20 pts.

As the moon revolves around the earth, it also rotated on its axis why is that the same side of the moon is always visible from earth?

The Lamborghini Diablo sports car can accelerate from 0.0 km/hr to 99.2 km/hr in 4.0 seconds. What is the acceleration of this car? Give your answer in units of kilometers per hour/sec.

What are the three types of acceleration?

Name the device which measure distance travelled by the body

Which type of energy travels as waves through the air? Chemical Electrical Sound

What usually causes high concentration of minerals to form

The courtroom role that possesses the most discretion is?

What is the main purpose of a simple machine?

given that a car's distance from a stop sign t seconds since it started moving is represented by d=t2-2t determine the car's average speed over each interval of elapsed time

A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by the wall? OA. The ball experiences more force than the wall. OB. The ball experiences less force than the wall.