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When a hailstone of 0 C falls towards the earth, the kinetic energy of the hailstone is transferred to thermal energy in the ice. What is the minimum speed so that it just melts when it hits the surface. The latent heat of fusion of ice is 340 kJ/kg.

When approaching a Physics problem in IB, it is especially important to reread the question a couple of times and note down any information that you might think is relevant to solving the question and sta...

JK
Answered by Justin K. Physics tutor
13894 Views

What is Utilitarianism (according to Bentham)?

Created by Jeremy Bentham, it is a hedonistic (or in simpler words, pleasure driven) normative theory. We are basic animals driven by seeking pleasure and avoiding pain. Therefore, an action is morally go...

TS
12708 Views

A scalene triangle has base of 5cm. The angle opposite to the base is 63°, and a second angle is 72°. Find the area of the traingle

Using the sine rule it's possible to find the length opposite to the 72° angle. Therefore: 5/(sin63)=x/(sin72) x=5sin(72)/sin(63)=5.34 At this point, the third angle is needed. Since a triangle has a tota...

AL
Answered by Alessandro L. Maths tutor
2265 Views

How does Samuel Beckett portray the meaninglessness of life through the use of repetition in Waiting For Godot?

In Waiting for Godot, Beckett conveys the meaninglessness of life by undermining meaning generated in communication, through repetition. In Waiting for Godot the repetition of words does not achieve asse...

VC
18864 Views

What is a Single Nucleotide Polymorphism?

If two sequences of DNA from the same position along a DNA strand (locus) have a single change between them we call them single nucleotide (one base unit of DNA, A/T/C/G) polymorphism (poly- "many-&q...

TK
Answered by Thomas K. Biology tutor
2868 Views

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