Physics, 15.10.2019 08:00 moutchyjoseph
Which of the following statements are true regarding the electromagnetic spectrum? 1. x rays and gamma rays have very long wavelengths and very low photon energies.2. radio waves have wavelengths on the order of meters and very low photon energies.3. ultraviolet radiation has long wavelengths and low photon energies.4. visible light lies at the center of the electromagnetic spectrum.5. infrared radiation has long wavelengths and low photon energies.
Answers: 2
Physics, 22.06.2019 06:00, Catgirl7060
(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.
Answers: 1
Physics, 22.06.2019 06:30, mehokkj
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 23.06.2019 07:50, itscheesycheedar
Answer fast for how does the force exerted by two magnets change as the magnets are moved farther apart? the magnetic force increases. the magnetic force decreases. the magnetic force stays the same.
Answers: 1
Which of the following statements are true regarding the electromagnetic spectrum? 1. x rays and gam...
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