Question1
A race car starts from break on a circular track of radius 463 m. The car's speed increases at constant rate of 0.410 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find out following.
(a) Speed of the race car
(b) distance travelled
(c) the elapsed time
Question2
White light (wavelengths ranging from 400 nm to 750 nm) shines throughout two slits and an interference pattern is displayed on a screen 1.5 m away.
How large first order spectrum on the screen is (such as, how far away is first order bright fringe from the 400 nm light and the first order bright fringe from the 750 nm light)?
(a) 17 cm
(b) 23 cm
(c) 38 cm
(d) 45 cm
(e) 51 cm