True. Classifying by similarities is the basis for biological classification.
Explanation:
Given parameters:
Force = 30N
Weight Susan = 45kg
Weight of Dad = 100kg
Unknown:
Acceleration of Susan = ?
Acceleration of Dad = ?
Solution:
Force = mass x acceleration
Acceleration = 
Acceleration of Susan =
= 0.67m/s²
Acceleration of Dad =
= 0.3m/s²
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The main reason why it's very dangerous to open compress gas tank is it can cause major disaster not only in human but also in plants and animals. Compress gas is flammable. And it's like a bomb the damage of gas tank is very catastrophic. It is very harmful if mishandled.
The answer to this question would be: a spring scale.
The spring scale that you use to determine your body weight is actually a device that measures your body gravitational force. The force itself influenced by your body weight, that is why it can determine your body weight.
More weight means more force, more force will shrink the spring more.
Answer:
v1=18.46m/s
v2=29.8cm/s
Explanation:
We know that

the equation of the motion is

we can calculate w by using

Hence, we have that

the speed will be

hope this helps!