Physics, 14.07.2019 15:30, AceGravity
The distance to the andromeda galaxy is estimated at about 2 ´ 106 light years. a light year is the distance traveled by light in one year; if the speed of light is 3 ´ 108 m/s, about how far is it from our galaxy to andromeda? (1 year = 3.15 ´ 107 s)
Answers: 1
Physics, 21.06.2019 16:30, nyce36
You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.
Answers: 1
Physics, 21.06.2019 17:20, londonval
Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg
Answers: 3
Physics, 23.06.2019 04:31, caldonjoshhsms2061
In which item is energy stored in the form of gravitational potential energy? a. a slice of bread b. a compressed spring c. an apple on a tree d. a stretched bow string
Answers: 1
The distance to the andromeda galaxy is estimated at about 2 ´ 106 light years. a light year is the...
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