Physics, 02.12.2020 21:10 maevemboucher78
Light having a wavelength of 450 nm (4.50 × 10-7 m) moves through space at 3.0 × 108 m/s. What is the frequency of the light?
A.1.35 × 102 Hz
B.7.41 × 10-3 Hz
C.1.50 × 10-15 Hz
D.6.67 × 1014 Hz
Answers: 3
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What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
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3. a worker pushes a 30.5 kg polished stone along a polished table with a force on bonin a straight line for 5.20 s after starting from rest. there is no friction between thestone and the table. at the end of the table. the stone is hooked to a cable with a lengthof 62.0 cm to rotate it to a rough table to store until they can be picked up. the roughtable has a coefficient of static friction 0.702 with the polished stone. remember that 8= 9.80 m/s2a) what is the speed of the stone when it is hooked to the cable? b) what is the tension in the cable while the stone is rotating? (there is still nofriction)c) how much force is needed to make the stone begin sliding from rest on therough table? ius = 0.70262.0 cm30.5 kg20.5 kg6= 0
Answers: 2
Light having a wavelength of 450 nm (4.50 × 10-7 m) moves through space at 3.0 × 108 m/s. What is th...
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