If a given particle has two up quarks and one down quark, what charge will it have?

- (2) / (3) e

0

+e

+ (2) / (3) e

A rocket travels from the moon to earth, describe how its weight changes during the journey. why is it important that the rocket has as little mass as possible

A 1500 kg car traveling at 15.0 m/s to the south collides with a 4500 kg truck that is at rest at a stopligt. The car comes to a stop but imparts all it's mometum to the truck.

An element is a substance that cannot be broken down chemically into electrons. another substance. o C. atoms. OD. protons.

Why do objects in orbit appear to be weightless?

What kind of weathering causes the mineral composition of rocks to change?

How much work must you do to push a 12 kg block of steel across a steel table at a steady speed of 1.3 m/s for 7.6 s? the coefficient of kinetic friction for steel on steel is 0.60?

An Archer needs to hit a bull's-eye On Target at eye level of 60 feet away is the Archer fires the arrow from the eye level with a speed of 47 ft/s at an angle of 25 degrees above the horizontal, will the arrow hit the target

What type of wave is a sound wave A. transverse wave B. longitudinal wave C. light wave D. elctromatic wave

Na+/k+-atpase is considered to be an electrogenic pump because

If the period of a wave is 0.05 s, then what is its frequency?