16 Answered Questions for the topic High School: Science

#### (Parallel Circuits) Find: It and Vt?

Find: It, Vt, V1, V2, V3, R1, and R2
I1 = 2A
I2 = 4A
I3 = 6A
R1 = ?
R2 = ?
R3 = 8 ohms

#### Question concerning molarity, volume and mass, please help!

If 10 drops of 0.5 mol L-1 Na3PO4(aq) had been added to the sample containing excess 0.25 mol L-1 Ca(NO3)2(aq), what mass of precipitate would you expect to produce? You may assume one drop is...
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02/14/17

#### Calculate velocity and acceleration during collisions.

A small car of mass 500kg is travelling at 120km/h when it hits stationary truck (of 1.5 tonne mass) head on. The small car rebounds and travels in the opposite direction at 40km/h. The collision...
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#### Law of Conservation

A rocket is standing by to launch. While sitting on the launching pad the rocket has zero velocity and thus zero initial momentum (p1=0). When the rocket takes off, a bystander proclaims that the...
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High School: Science High School Maths

09/18/16

#### P and Q are the points of trisection of the diagonal BD of a parallelogram ABCD .prove that CQ is parallel to ac and also that ac bisects pq

BD IS THE DIAGONAL AND DRAW AC A DIAGONAL
BP + PQ+DP =BD

High School: Science

08/24/16

#### what 2 parts of the plant makes the food by photosynthesis

I need these questions done for my homework

08/23/16

#### Vijay the plumber put in an new bathroom for us. he charges 2200 pounds plus 17 and a half percent VAT. what was the total we paid?

I need to know how much we all paid and how much is 17 and 1/2 percent VAT. Is it add or times or is all of the formulas.

05/22/16

#### significance of satellites for our understanding of the universe?

and any examples? thank you so much

High School: Science

03/28/16

#### places on the equator experience the quickest rates of sunrise and sunset in the world

im tring to find the answer cause i been trying all week to answer it and it take a long time

High School: Science

01/25/16

#### Organisms with a low tolerance for salt thrive in the marine biome.

is it true or false

High School: Science Biology

10/13/15

#### What distinguishes proteins from other macromolecule types?

Multiple choice:
A) Their monomers
B) Their helical structure
C) They are polar and other macromolecules are not.
D) They are formed via dehydration synthesis.
Note: The correct answer is A...
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#### For the reaction : 4Fe+3O2-->2Fe2O3, if 100 g of Fe are used how much Fe2O3 are produced?

I'm having such a hard time with this..It's my physics HW and I don't know how to solve this.

High School: Science Science

11/05/14

#### Science and enzymes and yea

Explain what would happen if a reactant molecule with a different shape to the enzyme came in contact with the enzymes active site
I need need the answer ASAP
thanks dudes

09/13/14

#### Biology - Asexual reproduction

Starting with one bacterium, how many bacterial cells would be expected from 6 cycles of Binary Fission?
Is 62 correct?
Thanks in advance for your help :)

09/06/14

#### A runner runs 2.6 km in 9 min and then takes 30 min to walk back to the starting point.

(a) What is the runner's average velocity for the first 9 min? km/h
(b) What is the average velocity for the time spent walking? km/h
(c) What is the average speed for the whole trip? km/h

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