If element X has 14 protons, how many electrons does it have?

4. Identify the different parts to this word problem. A bowling ball of 35.2kg, generates 218 kg. m/s units of momentum. What is the velocity of the bowling ball? What is the Mass: What is the Velocity: What is the Momentum:

If i play two pure tones, one at 100 hz and the other at 110hz, will we perceive beats? if so, what will be the beat frequency

Less work was done. What is one possible reason why this has happened? A. There was more force applied; therefore, there was less movement. B. There was less force applied; therefore, there was more movement. C.

A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. the acceleration of the car is:

The color of a star depends on its, and - colored stars are the coolest.

A cannonball is launched horizontally off a 20 m high castle wall with a speed of 85 m/s. How long will the cannonball be in flight before striking the ground? What is the range of the cannonball?

It is well known that bullets fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with bullets of mass m = 1.7 g at a rate of R = 165 bullets/min. The speed of each bullet is v = 380 m/s.

If you are 3.00 m from speaker A directly to your right and 3.50 m from speaker B directly to your left, will the sound that you hear be louder than the sound you would hear if only one speaker were in use?

How much more ground motion is produced by an earthquake of magnitude 7.0 than by an earthquake of magnitude 4.0?

What evidence is there of life in a mini habitat?