Battle

Roman numerals

1

What does XIX =

19

2

VXMVMM

1010

3

V!

120

5

IVXIVIX

-3

10

C

LL

Solar system

1

How many solar masses is the sun

0.9986

Double points: can Venus be survived

2

How many planets are there

8 (soon to be 9)

3

Can you fit all planets between earth and the moon

Yes

5

Moons of mars

2

10

How old is jupiter

4.6 billion years

Atomic level

1

Smallest atom

Hydrogen

2

Largest atom

Cesium

3

Isotopes of helium

9

5

Isotopes of hydrogen

7

10

Isotopes of Uranium

50 points: Radioactivity of Uranium-232

9

22,000,000+ becquerels per gram

Maths

1

x-2x×2÷10=1.5

x=3.75

2

8-8-8×9×9÷1,000,000,000,000,000=

-0

3

Pi

3.14159

5

7!+8!

45360

10

9!

362,880

Physics

1

Drop a ball and feather in a vacuum, which hits first

Both

2

A car is moving at 60 km/h how far does it travel in 1.5 hours

90 km

3

A box with mass of 10 kg is pushed with 50 N on frictionless, what is it's acceleration

5 m/s²

5

A 2 kg object is dropped from a height of 20 m. Assuming no air resistance, how fast will it be moving just before hitting the ground?

The object will be moving at 20 m/s.

10

Question: A 0.5 kg block is attached to a spring with a spring constant of 200 N/m. The block is displaced 0.1 m from its equilibrium position and released. What is the maximum speed of the block as it passes through the equilibrium position?

The maximum speed of the block is 2 m/s.