Physics, 08.04.2020 01:47 kyliegriffis
The photograph shows a shoe with novelty shoelaces. light source The laces are long, flexible plastic strands. Light from the light source passes through the tie laces, illuminating the ends. (a) (i) State what is meant by critical angle. (2)(ii) Show that the refractive index for the plastic used for the laces is about 1.5 speed of light in plastic = 1.97 × 108 m sí
Answers: 2
Physics, 21.06.2019 18:40, Gloryreak8201
What best describes a sonar wave? transverse and electromagnetic transverse and mechanical longitudinal and electromagnetic longitudinal and mechanical
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Physics, 22.06.2019 11:50, azertyqwerty123
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Physics, 22.06.2019 17:30, moneyyfletcher
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?
Answers: 1
The photograph shows a shoe with novelty shoelaces. light source The laces are long, flexible plasti...
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