What charges faster, an iPhone with charger plugged into a wall or a iPhone with charger plugged into a computer?

Which medium would sound travel the fastest? water a steel bar or nitrogen gas

Two balls of equal size are dropped from the same height from the roof of a building. One ball has twice the mass of the other. When the balls reach the ground, how do the kinetic energies of the two balls compare

What kind of relationship exists between sound and the temperature of material

Net force is A. the total of all forces acting on an object. B. when all forces are multiplied together. C. the beginning force minus the ending force.

Use the science term "random" in a sentence.

What holds metal ions together?

Describe a situation when you might travel at a high velocity but with lo acceleration

Work occurs when A. an applied force results in movement of an object in the same direction as the applied force B. an object is subjected to balanced forces resulting in movement of the object C.

A 160 kilogram cannon fires a 30 kilogram cannonball with a speed of 45 m/s at an angle of 30 degrees with the horizontal. In what direction and at what speed does the cannon recoil?

A student uses an indicator to measure the pH of a solution. The indicator shows a pH of 7. What must be true of this solution? The solution contains neither hydronium ions nor hydroxide ions.