If a photon has a frequency of 1.15 * 1015 hertz, what is the energy of the photon? Given: Planck's constant is 6.63 * 10-34 joule·seconds.

Hurricane camille was so strong that it broke the instruments used to determine wind speed. how were scientists able to determine that is was a category 5 storm?

before colliding, the momentum of block A is + 25.0 kg*m/s, and block b is + 35.0 kg*m/s. after, block a has a momentum + 60.0 kg*m/s. what is the momentum of block b afterwards?

A nebula, or swirling cloud of interstellar dust and gases, is seen. What happens next in the star formation process?

Carbon is released into the atmosphere through melting rocks deep in the Earth. boiling water. lightning. burning fossil fuels.

Which processes occur during the second stage of technological design? Check all that apply designing a solution studying relevant information rebuilding and retesting reporting a solution defining criteria of success identifying a problem building

Heat that is transferred by the movement of currents within a fluid is called?

5. What is the percent composition of sulfur in H2SO4? A. 32.7% B. 65.2% C. 98.1% D. 2.1%

A 0.8kg object accelerate at a rate of4 m/s2. What is the net force acting on a object

Which of the following is the best definition of an isotope? A. elements of the same kind with different numbers of neutrons B. elements of the same kind that have lost electrons C. elements of the same kind that have different electrical charges

Two cars approach each other; both cars are moving westward, one at 85 km/h, the other at 54 km/h. what is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? answer in units of km/h.