(a) Light travels at 3 x 108 m/s, and it takes about 8 min for light from the sun to travel to the earth. Based on this, find the distance from the sun to the earth.
(b)A particle moves from x0 = 40 cm to x =-40 cm in 4 s. Find the average velocity of the particle during this time interval.
(c)A particle moves from x = 40 cm to x = 50 cm in 5 s in one location of its path. In another location it was found that the particle moved from x = 500 cm to x = 520 cm in 2 s. Is the particle accelerating? If so, find the acceleration if the particle took 4 s to get from first location to the next?
(d)The position of a particle is given by x = C2t2, where C is a constant and t is the time-variable. Find the velocity and acceleration of the particle.