A light-year is the distance that light travels in one year. The speed of light is 3.00 108 m/s. How many miles are there in one light-year? (1 mi = 1609 m, 1 y = 365 d)
A) 9.46 1015 mi B) 9.46 1012 mi C) 5.88 1012 mi D) 5.88 1015 mi
Question 2
Which of the following best describes the meaning of force?
A) A body's force is the tendency of that body to continue moving once it is started moving.
B) A force is a change in velocity.
C) The force of a moving body is the distance the body travels divided by the time it takes to travel that distance.
D) A body exerts a force on another body when the first body causes the second body to accelerate.
E) The force that a body has is the amount of work that the body can do.
Went and Briggs demonstrated the relationship between light perception and auxin function.
"Visual Acuity Testing, Assessing Distance Vision
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
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Kahan (Last Year)