Wednesday
May 22, 2013

# Posts by Karla

Total # Posts: 137

Physics
A stone is dropped off the science building and accelerates, from rest, toward the ground at 9.8 m/s/s. A curious physics student looks out the third floor window as the stone falls past. She happens to have a stopwatch and she finds that it takes 0.30 sec for the stone to fal...

physics
i still don't understand how to do parts b and c.

physics
the mean radius of the earth is 6,000,000 meters. Express this value in kilometers

biology
how does a hypothesis help scientists understand the natural world?

i have homework and it saids order 3 2 1 5,3, and 2. the LCM of 5,3, and 2 is _____.so_____ is the lcd. i dont understand the teacher did not explainn good the work book is called all-in-one student work book version A prentice hall mathematics course 2 please help mhe i need ...

math
From a point on a straight road, two cars are driven in opposite directions, one at 44 miles per hour and the other at 35 miles per hour. In how many hours will they be 237 miles apart?

English

Writing
You need a topic sentence, which tells the main idea of the paragraph (usually first, but doesn't have to be), then at least two sentences giving additional information or supporting your idea. You can have as many supporting sentences as you need, but make sure they all a...

Math
Write down eight blanks in a row, and label them, from right to left (weird, I know): ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions. The digit in the thousands place is 5. Write it in that blank. Think what odd number is greater than 7 but less th...

Biology
Think of what stimuli are - external factors that have an effect on the body. The receptors 'feel' the stimuli. Read A again - what are chemicals, light, and pressure? Can they convert stimuli? Read B again - can receptors become aware of stimuli?

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