A rocket accelerates from 0 to 20 km/s. five seconds after reaching 20 km/s. the
rocket is travelling a 280 kmls. What
is the overage acceleration of the rocket
Initial speed:
final speed:
total time:

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

The energy that powers a hurricane is derived from