Which of Kepler's laws states that planets sweep areas in equal times?

a. first

b. second

c. third

d. law of universal gravitation

Where are earthquakes most likely to occur?

How are the atoms in a compound held together?

In a performance test, each of two cars takes 8.4 s to accelerate from rest to 27 m/s. car a has a mass of 1374 kg, and car b has a mass of 1876 kg. find the net average force that acts on (a) car a and (b) car b during the test.

Which of the following is the correct equation for finding the wavelength of a wave? A) Wavelength=velocity/time? B) velocity=wavelength/frequency? C) wavelength = velocity / frequency? D) frequency=wavelength/velocity?

In a nuclear reactor, each atom of uranium (of atomic mass 235 u) releases about 200 MeV when it fissions. What is the change in mass when 2.60 kg of uranium-235 is fissioned?

What happens if a hypothesis is not supported?

a group of elements that stretch bend and conduct heat and electricity

A rectangular block has dimensions 2.9 cm x 3.5 cm x 10.0 cm. the mass of the block is 615.0 g. what is the volume and density of the block? (answer it with correct numbers of significant figures)

Which of the following are products of cellular respiration? Sunlight Oxygen ATP Water Carbon Dioxide

Do magnetic field lines ever start or end anywhere?