23/08/2021
Week 3
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Grimsby Maths and Science Tutor
GCSE and A level Maths, Physics, Chemistry, Biology. Dr Adrian Butt offers both individual face to I live in Great Grimsby, Lincolnshire.
If you truely want to understand maths and science, how they relate to each other and the world about us, and succeed in exams, then I am here to help you. I have eight years experience as a professional science and maths tutor teaching adults and school students GCSE and A level Maths, Physics, Chemistry and Biology. I tutor face to face and online. My first degree (BSc) was in Biology (Universi
15/08/2021
15/08/2021
Here is Bracken's approach to calculating the spring constant of the bananna leaf that Fred struck during his fall last week.
Bracken, my dog (pictured) is a close friend of Fred. She is very clever and was therefore asked to answer some questions:
Fred (mass of 2 Kg and with a kinetic energy of 100 joules) lands on a banana leaf and he oscillated up and down with an amplitude of 1 metre. What is the spring constant of the leaf? (GCSE level); clue - model the leaf as a spring.
What is the maximum velocity of the leaf as it oscillates? (A level).
What is the period and frequency of the oscillation? (A level).
Bracken will reveal her anwers and working on Sunday as usual.
06/08/2021
Fred (my cat) says : "if my mass is 2Kg, the gravitational field strenght here in Grimsby is 10N/Kg, and I jump down 5 metres, I should be able to calculate my velocity just before I hit the ground". Freddy needs someone to check his calculations.
Assuming there is no air resistance, can you calculate his velocity and how did you do it?
I will post the answer on Sunday morning.
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