Answer:
v= 17.15 m/s
Explanation:
mass of the book=0.1 Kg
height above ground, h= 15 m
Using conservation of energy
Potential energy is converted into kinetic energy




v= 17.15 m/s
Hence, the book will hit the ground at the speed of 17.15 m/s.
B. In step 3
They incorrectly solved for x. It should have been x=-3 and x=5
Answer: I think, the number of oscillations in a given period of time.
Explanation: Well I guess because in a period time is known as the rate of occurrence of the wave. Hope this helps!
Dart board 3 represents high accuracy but low precision
Answer:
battery
Explanation:
A battery contains stored chemical energy and converts it to electrical energy. (cK.12)