Some words that have changed meaning due to technological advances are dial, type, tweet, drone, and spam.
Answer:
it's because some versions have more steps and others have less
Answer:
m = 20,000 kg
Explanation:
Force, 
Acceleration of the shark, 
It is required to find the mass of the shark. Let m is the mass. Using second law of motion to find it as follows :
F = ma
Putting the value of F and a to find m

So, the shark's mass is 20,000 kg.