What is the magnitude of the acceleration of a 25 kg bike if it is being pedaled in a southerly direction with a constant unbalanced force of 5 n? a. 0.2 m/s² b. 5 m/s² c. 20 m/s² d. 125 m/s²

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g