Friday

August 1, 2014

August 1, 2014

Total # Posts: 9

**Science**

Explain the law of motion needed to solve thisproblem . On Planet Zorg, a 30 kg barbell can be lifted by only exerting a force fo 180N. What is the acceleration of gravity on Planet zorg? Predict how the motion of this object would change if on earth.

**physics**

explain the law of motion needed to slove this problem. On Planet Zorg, a 30kg barbell can be lifted by only exerting a force of 180N. what is the acceleration of gravity on Planet Zorg? Predict how the motion of this object would change on earth.

**math**

on the 15 march otaki river recorded a flow (cumecs) of 5.7 metres. this time last year it was 19.3 metres. how many metres difference is that to the nearest metre?

**math research**

on the 15 march otaki river recorded a flow (cumecs) of 5.7 metres. this time last year it was 19.3 metres. how many metres difference is that to the nearest metre?

**math**

Joshua has 3 yards of ribbon. He needs 1/4 yard to make 1 bow. How many bows can he make?

**physics **

For long range communication an elephant uses a low frequency rumble that is undetectable to human ears. One elephant can pick up another elephant's call from a distance of 10 km. The frequency of this rumble is about 13 Hz. How fast does the rumble travel?

**Math - determinants**

| x 5 2 | |-6 4 1 | = x(squared) + 22x - 1 | 3 1 x | Solve for x.

**algebra**

14x+168=42x-119 -28x+168=-119 -28x=49 x=1.75

**11th grade Math**

37t = 54t-162 -17t = -162 t = 9.52941165

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