The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the star
(a) How much time would elapse on a clock on board the spaceship?
(b) How much time would elapse on a clock on the Earth?
(a) 3.23 y
(b) 5.38 y
Physics & Space Science
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Indicate whether the statement is true or false
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Why is there a lower end in the main sequence of the H-R diagram?
What will be an ideal response?
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Charge A and charge B are 3.00 m apart, and charge A is +1.44 C and charge B is +3.10 C. Charge C is located between them at a certain point and the force on charge C is zero. How far from charge A is charge C?
a. 1.78 m b. 2.15 m c. 1.22 m d. 0.465 m e. 2.04 m
Physics & Space Science
How often does Venus rotate on its axis?
a. 24 h b. 182 Earth days c. 243 Earth days d. 1 Earth year e. 3 Earth years
Physics & Space Science