Which type of wave is used in cell phone communication and radar devices?

A. Light waves

B. Gamma waves

C. Infrared waves

D. Microwaves

Two identical bullets are fired horizontally with the identical velocities. One bullet is fired from a "rifled" barrel which makes the bullet spin along the axis of travel. The other bullet is fired from a smooth-bore barrel which imparts no spin.

The mass of a certain neutron star is 1.2 * 1031 kg (6 solar masses) and its radius is 5000 m. what is the acceleration of gravity at the surface of this condensed, burned-out star

Consider the binding energy of two stable nuclei, one with 60 nucleons and one with 200 nucleons. a. Is the total binding energy of the nucleus with 200 nucleons more than, less than, or equal to the total binding energy of the nucleus with 60

A diathermy machine, used in physiotherapy, generates electromagnetic radiation that gives the effect of "deep heat" when absorbed in tissue. One assigned frequency for diathermy is 915.00 MHz. What is the wavelength of this radiation

The transformer is based on: O inversion O induction O conduction O resistance

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