There are factors that affects gravity. The measurements that the student must collect in order to approximate the amount of work done by the earth are:
- The mass of the student.
- The final vertical height above the initial vertical position.
<h2>What is work done
</h2>
Work is done only when a known force do moves something over a distance. A person can calculate the energy transferred, or work done.
This can be done by multiplying the force usually by the distance moved in the direction of the force.
The options are
Select two answers:
a. The mass of the student
b. The angle between the inclined portion of the stairs and the horizontal.
c. The total inclined length of the stairs
d. The final vertical height above the initial vertical position.
Learn more about Gravity from
https://brainly.com/question/20709940
Electricity, like in electric cars
Answer:
The major processes needed for the origin of life on Earth were the appearance of the first organic compounds, their assembly into macromolecules, self-replicating properties and separation by means of membranes.
Explanation:
Answer:
8 pens
Explanation:
a) £6.25+£8.75=£15.00
£15.00/50=30p
each pen costs 30p
b) £2.40/0.3=8
therefore 8 pens can be bought