Author Question: The area under a graph of ax vs. t from t = ti to t = tf represents a. xf xi. b. vf vi. c. ... (Read 45 times)

chandani · **on:** Jul 28, 2018

The area under a graph of ax vs. t from t = ti to t = tf represents
a. xf xi.
b. vf vi.
c. xavg.
d. vavg.
e. aavg.

Question 2

A skier leaves a ski jump with a horizontal velocity of 29.4 m/s. The instant before she lands three seconds later, the magnitudes of the horizontal and vertical components of her velocity are:
a. 0; 29.4 m/s.
b. 29.4 m/s; 0.
c. 29.4 m/s; 29.4 m/s.
d. 29.4 m/s; 41.6 m/s.
e. 41.6 m/s; 41.6 m/s.