Which of the following has the lowest density? A. mineral water b. Water c. Oxygen d. Salt water

Daca stam intr-o barca usoara si tragem de o sfoara legata de un vapor, ne vom apropia de un vapor. De ce nu se apropie vaporul de banca?

Sound waves tend to move in?

A horizontal mass-spring system is in SHM. The mass is 0.25kg, the spring constant is 15N/m, and the amplitude is 20cm.

If you weigh 665 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 18.0 km? Take the mass of the sun to be ms = 1.99*10^30 kg, the gravitational constant to be G = 6.

The pressure exerted by a gas is 2.0 atm while it has a volume of 350 mL. What would be the volume of this sample of gas at standard atmospheric pressure?

Why arent insulators allowed in operating rooms

What does Kepler's second law state? A. Planets travel in ellipses. B. Planets sweep equal areas in equal times. C. A planet's apparent backward movement is termed retrograde motion. D.

Why do charges build up in a cloud

How does the wave model of electrons orbiting the nucleus account for discrete energy values?

An ecosystem is all the populations of organisms that live together and A. the microorganisms that depend on them. B. the organisms that generate energy from sunlight. C. the physical factors with which they interact. D.