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# Bouncy Task - PowerPoint PPT Presentation

Bouncy Task. NC Level 5 to 7. Bouncy Task 1. A company is making balls. It uses a mixture of rubber and plastic. How would you measure the bounciness of the balls!. Home. Bouncy Task 2. A bouncy ball is made from 75\% rubber and the rest plastic. It weighs 20g

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Presentation Transcript

NC Level 5 to 7

A company is making balls. It uses a mixture of rubber and plastic.

How would you measure the bounciness of the balls!

Home

A bouncy ball is made from 75% rubber and the rest plastic.

It weighs 20g

How much plastic is needed for 50 balls?

Home

A bouncy ball is made from 75% rubber and the rest plastic.

It weighs 20g

If you have 2kg of rubber, how many balls can you make?

Home

A ball has a volume of 1000cm 3 . When packed into a box they take up 85% of the available space.

The company is going to sell 50 per box.

What size of box is needed?

Home

A ball is dropped and bounces up to a height that is 75% of the height from which it was dropped.

It then bounces again to a

height that is 75% of the

previous height and so on.

A student drops the ball from 1.5m, what is the height of the 3rd bounce?

Home

A ball is dropped and bounces up to a height that is 75% of the height from which it was dropped.

It then bounces again to a

height that is 75% of the

previous height and so on.

How many bounces does it make before it is bounces to 20% of the original height ?

Home

A ball is dropped and bounces up to a height that is 75% of the height from which it was dropped.

It then bounces again to a

height that is 75% of the

previous height and so on.

The 6th bounce is measured as 0.2m

What was the height it was dropped from?

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