Answer:
<h2>60 N</h2>
Explanation:
The magnitude of the force can be found by using the formula

w is the workdone
d is the distance
From the question we have

We have the final answer as
<h3>60 N</h3>
Hope this helps you
Answer:
20.45%
Explanation:
The probability that the student got a B is

Now, how many students are there in total?
The answer is

How many students got a B?
The answer is

therefore, the probability that the student has got a B is

Hence, the probability that a student has got a B is 20.45%
Biotic is the living factors while abiotic is nonliving such as a rock