Physics, 12.07.2019 19:10 jones501324
Asewing machine needle moves in simple harmonic motion with a frequency of 2.5 hz and an amplitude of 1.27 cm. (a) how long does it take the tip of the needle to move from the highest point to the lowest point in its travel? (b) how long does it take the needle tip to travel a total distance of 11.43 cm?
Answers: 2
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 11:30
Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 µc of charge distributed uniformly along its length, and the other carries - 2.50 µc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?
Answers: 3
Physics, 22.06.2019 11:30
Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
Answers: 1
Physics, 22.06.2019 12:30
What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery
Answers: 1
Asewing machine needle moves in simple harmonic motion with a frequency of 2.5 hz and an amplitude o...
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