It will be easier to push a sofa across a rough surface like carpet and a smooth surface like a hardwood floor. Truue or False?

An atom contains 15 neutrons and has a mass number of 30. What is its atomic number? How did you determine the atomic number?

Positive buoyancy used in a sentence

The rear wheel on a clown's bicycle has twice the radius of the front wheel. (a) When the bicycle is moving, is the linear speed at the very top of the rear wheel greater than, less than, or the same as that of the very top of the front wheel?

Water is stored in 5 places on earth. Name each place an dnote the phrase that water is in liquid solid, gas

Two small, positively charged spheres have a combined charge of 5.20x10^-5 C. If each sphere is repelled from the other by an electrostatic force of 1.00 N when the spheres are 2.20 m apart, what is the charge on the sphere with the smaller charge?

If 50% of a radioactive element remains after 4000years what is the half life

What process is responsible for producing sediments that become the layers of sedimentary rock?

Which type of electromagnetic radiation carries the most energy and has the highest frequency?

If a photon has a frequency of 5.20 * 10ÜÊ hertz, what is the energy of the photon? Given: Planck's constant is 6.63 * 10È³Ê joule·seconds. a-3.45x10^-19 b-7.91x10^-16 c-4.32x10^-14 d-3.43x10^-14

Which action will slow down the rate of a reaction