Physics, 27.07.2019 21:00 kiaunarayne808
Alyssa is carrying a water balloon while running down a field at a speed of 14 m/s. she tosses the water balloon forward toward a bucket with a speed of 23 m/s. alyssa’s friend naya is standing still next to the field. which statement is supported by this scenario? a. the speed of the balloon is 23 m/s for alyssa and 14 m/s for naya. b. the speed of the balloon is 37 m/s for alyssa and 23 m/s for naya. c. the speed of the balloon is 14 m/s for alyssa and 23 m/s for naya. d. the speed of the balloon is 23 m/s for alyssa and 37 m/s for naya.
Answers: 1
Physics, 22.06.2019 16:00
Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?
Answers: 1
Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
Alyssa is carrying a water balloon while running down a field at a speed of 14 m/s. she tosses the w...
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