The formula is 1/2mv²
1/2*0.145*40²=0.0725*1600=116
Therefore the kinetic energy of that object is 116 joules.
It would be 36$ for 9th jar
as it price is 4 times of number of jar
Equation is P=4J
j is number of jar when it is 9 so
P price=4*9
P=36$
Option A will be the correct answer
Answer:
Step-by-step explanation:4m