6. M= 1200 kg
m = 12 kg
**A cannon launches a cannonball off the side of a
cliff. The cannonball is launched with an initial
velocity of 140m/s from 22 meters above the
ground. In order to cause the horizontal distanced
traveled to be greater than 300 meters, how should
the cannonball launch be changed?
22 meters
300
PART 2: Motion Review

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.