Physics, 07.11.2019 06:31 brittanyjacob8
You and your friends are doing physics experiments on a frozen pond that serves as a frictionless horizontal surface. sam, with a mass of 80.0 kg, is given a push and slides eastward. abigail, with a mass of 50.0 kg, is sent sliding northward. they collide and, after the collision, sam is moving at 6.00 m/s in a direction 37.0° north of east, while abigail is moving at 9.00 m/s in a direction 23.0° south of east. find the speeds of sam and abigail just before the collision.
Answers: 3
Physics, 22.06.2019 00:30
Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d
Answers: 1
Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 2
Physics, 22.06.2019 15:00
Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.
Answers: 1
Physics, 22.06.2019 16:50
Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
Answers: 2
You and your friends are doing physics experiments on a frozen pond that serves as a frictionless ho...
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