The gravitational force between two objects with mass can be-

a push or a pull.

equal to zero.

only a push.

only a pull.

High energy waves have Choose one answer. a. long wavelengths and low frequencies. b. long wavelengths and high frequencies. c. short wavelengths and low frequencies. d. short wavelengths and high frequencies

The volume of the moon is about 33% of the volume of the earth. true or false

A gas of helium atoms at 273 k is in a cubical container with 25.0 cm on a side. (a) what is the minimum uncertainty in momentum components of helium atoms? (b) what is the minimum uncertainty in velocity components?

18. When is an atom unlikely to react and form chemical bonds? 19. What is the order of the types of nuclear radiation from lowest to highest energy? 20. Which statement is false? Rewrite it so that it is true. a.

What modifications did Kepler make to Copernicus model

The ability of an object to vibrate by absorbing energy at its natural frequency is called?

A hurricane in the Gulf of Mexico to 15 hours to travel 360 kilometers. What is the average speed of this hurricane in kilometers per hour?

Which organization functions to privide clinics and surgeries i developing nations

What role do convection currents play in oceans and the atmosphere?

What causes density currents to form in the mediterranean sea? a. condensation b. evaporation c. transpiration d. upwelling