A 100 kg skier waits at the top of a 300 m high hill to ski down the hill. The skier's gravitational potential energy is _Joules A) 30,000J
B) 294,000J
C) 3000J
D) 3061 J

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters