How do some atoms of different substances combine chemically to form molecules?

Determine the force of gravitational attraction between the earth (m = 5.98 x 10^24kg) and a 70 kg physics student if the student is standing at sea level, a distance of 6.40 x 10^6m from earth's center. Do not round your answer at all.

Water at 1 atm pressure is compressed to 430 atm pressure isothermally. Determine the increase in the density of water. Take the isothermal compressibility of water to be 4.80 * 10-5 atm-1.

What is another name for Kepler's third law

A driver drives 3 blocks North, 3 blocks east and 3 blocks south. What is the total displacement?

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

Which best describes oil and water

Both the electrical force and the gravitational force between two objects share which relationship? They are directly proportional to mass. They are inversely proportional to the square of the distance. They are inversely proportional to charge.

During a baseball game, a player hits a a ball with a speed of 43m/s at an angle of 25∘ above the horizontal. When the player hit the ball, it was 1m above the ground, and after the hit, the ball flies straight toward the center field fence.

How does the electric potential energy change as the electron moves from i to f?

A sound wave travels twice as far in neon (Ne) as it does it krypton (Kr) in the same time interval. Both neon and krypton can be treated as monatomic ideal gases. The atomic mass of neon is 20.2 u, and that of krypton is 83.8 u.