Physics, 06.03.2020 23:52 fernandez122115
If you follow a line through the "pointer stars" (the two stars in the bowl of the Big Dipper farthest from the handle) away from the open end of the dipper, the first moderately bright star you come to is:.
A) Polaris, the North star.
B) Spica, in Virgo.
C) Arcturus, in Bootes.
D) Vega, in Lyra.
Answers: 2
Physics, 21.06.2019 21:30
How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?
Answers: 1
Physics, 22.06.2019 11:00
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
Answers: 3
Physics, 22.06.2019 18:30
Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
Answers: 3
If you follow a line through the "pointer stars" (the two stars in the bowl of the Big Dipper farthe...
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