# Posts by maxwell

Total # Posts: 19

**physics**

A ball thrown vertically upwards with an initial speed of 24.5m/s. 1.calculate the greatest heith it will atain. 2.how long does it takes to reach it's maximum heigh? 3.What is its speed when it returns to the ground?

**science**

A ball thrown vertically upwards with an initial speed of 24.5m/s.Calculate the greatest height it will stain.

**Maths**

A knife has a mass of m grammes. It is 20g heavier than a spoon. The mass of a knife and four spoons is 330g. Find the mass of the Knife.

**life orientation**

Yes

**Chemistry**

. Okay 2HgO turns into 2hg + O2. What mass of Co2 can be produced from 25.0g of Fe3O4 ?

**math**

At a high school, GPA’s are normally distributed with a mean of 2.6 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.1 and 3.1?

**Biology**

The 6 biotic communities

**Physic**

9.0

**physics help**

55

**Physics- Can you check my answer PLEASSE**

The velocity of an object increases from 5.0 m/s to 15 m/s in 2.0 s. What is the average acceleration of the object? 15m/s - 5m/s = 10m/s 10m/s / 2.0s = 5 m/s <----

**math**

what part of a mile is 1 rod

**word problem**

300 apples

**English**

I know that when boys help in the kitchen it can help to reduce the burden on girls in the house because part of the cooking and other works that require more strength will be done by the boys.Also,boys will grow to become men who will eventually marry as life requires.It is a...

**social studies**

the two major tribes of the northeastern part of the Eastern Woodlands were the

**Calculus**

Someone already asked this question but did not understand the answer given at all. Writing to Learn: In a certain video game a cursor bounces back and forth horizontally across the screen at a constant rate. Its distance d from the center of the screen varies with time t and ...

**Chemistry**

For a body centered cubic unit cell, I know how to get the body diagonal... but how do you get the face diagonal in terms of r?

**spelling**

sprinkle

**elementary**

WHAT TYPE OF ANIMAL IS THE TYROISORUS

**3rd grade**

NO

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