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A cricket player throws a ball such that it travels 10 meters in 2 seconds at constant acceleration. Calculate the kinetic energy of the ball if it has a mass of 1kg.

This problem can be broken up into two steps:1) Finding the speed (velocity) of the ball2) Finding the kinetic energy.To find the speed we can use the equation shown: Speed= Distance/Time

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Answered by Finn M. Physics tutor
3571 Views

Given that w=x * e^-w use implicit differentiation to show that dw/dx=1/(e^w + x)

Given that w=xe-w use implicit differentiation to show that dw/dx = 1/(ew+x)Answer:Use product rule to simplify:dw/dx = x(de-w/dx) + e-w(dx/dx)Use ...

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Answered by Panagiota G. Maths tutor
1447 Views

Vous décrivez vos vacances dans une lettre adressée à votre ami(e) en France. Écrivez environ 100 mots.

La semaine dernière, j’ai passé une semaine à Rome avec ma famille. J’ai toujours rêvé d’y aller, donc c’était formidable ! Nous avons visité le Colisée, qui est un des monuments les plus connus au monde,...

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Answered by Emily S. French tutor
9945 Views

The perimeter of a right angled triangle is 72cm. The length of its sides are in the ratio 3:4:5. Work out the area of the triangle.

Total perimeter - 72cm. Perimeter - (3+4+5)x -> 72=12x therefore x=6. The area of the triangle is 0.5(3x4x) (because 5x is the longest side) therefore the answer is 0.5(1824) = 216cm^2

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Answered by Sam T. Maths tutor
2695 Views

Explain how the human circulatory system is adapted to supply oxygen to the tissues and remove waste products from tissues.

This is an example of knowledge recall question with need for further explanation. It is therefore important to be able to explain yourself concisely and in the manner that the examiners expect to gain th...

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Answered by Theodore H. Biology tutor
2821 Views

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