Physics, 20.09.2020 14:01 flamingtacos4026
Match each wavelength to the correct region in the electromagnetic spectrum. Drag the items on the left to the
location on the right
radio wav
shortest wavelengths
(less than 1 1011 meters)
ultraviole
about the size of an atom
(1 x 10 11 to 1 x 100 meters)
gammar
longest wavelengths
(1 x 10 to hundreds of meters)
microwa
about the size of a virus
(1 x 10° to 4 x 107 meters)
X-rays
size of a printed period to a pen
(1 x 10 to 1 x 10 meters)
Answers: 2
Physics, 22.06.2019 14:30
Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates
Answers: 3
Physics, 22.06.2019 14:40
An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
Physics, 22.06.2019 19:20
The dipole moment of the water molecule (h2o) is 6.17x10^-30 c.m. consider a water molecule located at the origin whose dipole moment p points in the +x-direction. a chlorine ion ( of charge-1.60x10^-19c , is located at x=3.00x10^-9m . assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. a) find the magnitude of the electric force that the water molecule exerts on the chlorine ion. b) what is the direction of the electric force. -x-direction or +x-direction c) is this force attractive or repulsive?
Answers: 1
Match each wavelength to the correct region in the electromagnetic spectrum. Drag the items on the l...
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