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There is a Ferris wheel where the passengers are placed 10m away from the centre. At what speed must they be moving in order for them to feel completely weightless at the top of the wheel.

In order for the passenger to feel weightless, they must have a vertical acceleration equal to the acceleration due to gravity, i.e. they must be accelerating downward at a rate of 9.81m/s2. ac...

Answered by Maths tutor
4526 Views

A ball, dropped vertically, falls d metres in t seconds. d is proportional to the square of t. The ball drops 45 metres in the first 3 seconds. How far does the ball drop in the next 7 seconds?

First we form equations from the information given in the question. The first equation we can form is that d is directly proportional to the square of t. This means that d = kt2 ,where k is a ...

Answered by Maths tutor
4921 Views

What is the function of a cadence in western music and what are the different types?

The function of the musical cadence in western music is to either create tension at the end of a musical phrase to lead into another segment of music, or to definitively conclude a musical phrase. This is...

DB
Answered by David B. Music tutor
7316 Views

What do we mean by the phrase "être verbs" when using the perfect tense in French?

When using the perfect tense in French, there are three components to a phrase. The first is the pronoun (I, you, he/she, we, they). The second is the auxiliary verb, and the third is the past participle....

KB
Answered by Kathryn B. French tutor
1770 Views

How to write a redox equation from half equations

There are three crucial steps in balancing redox half equations, which, when mastered, allow any two half equations, no matter how to complex, to be easily balanced. First, we balance the electrons, by de...

JH
Answered by Jess H. Chemistry tutor
4788 Views

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