Please help me I’m really struggling- I’ll give brainliest!!

Kinetic energy = 1/2mv^2. since the mass is constant we can form a ratio of it's kinetic energy at 60 divided by that at 30 to see ke(60)/ke(30) = +(60^2)/30^2). this may be said to 300% increase.

//(b) both involve the use of levers;

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What about pink because im not too fond of red