Marisol

The muzzle velocity of a ball bearing was calculated through an experiment (1.22m/s). A student then wants to verify that the velocity calculated is right. So, she conducts an experiment in which she points the ball bearing launcher upwards. She measures...

18 years ago

I posted something concerning this question earlier.. and thank you for checking and letting me know of my mistake. I said that for a given velocity, the height does not depend on the mass of the ball. How could I explain this, besides the fact that when...

18 years ago

A projectile is launched with 200kg m/s of momentum and 1000 J of kinetic energy. What is the mass of the projectile. The answer is said to be 20 kg but I can't get it. I tried this but it didn't work: p=mv=200 m=200/v I plugged that into this equation: K...

17 years ago

A 1.0-kg ball on the end of a string is whirled at a constant speed of 2.0 m/s in a horizontal circle of radius 1.5 m. What is the work done by the centripetal force during one revolution? I did: F=m(v^2)/r F=1(2^2)/1.5=2.7 J The answer that was provided...

17 years ago

Is this the balanced chemical equation for reaction between NaBr and H2SO4? H2SO4 + NaBr ---> HBr + NaHSO4

17 years ago

I could only get the first part of this question. Can someone help me with the second part? You borrow $7000 from a bank for 3 years at an interest rate of 10% per year compounded daily.(Assume there are 365 days in every year) a) HOw much do you pay the...

17 years ago

I keep getting an answer with an exponent and i am not sure what i have done wrong here. Any help is appreciated. To save for his retirement, Jeff puts $800 per month into his savings account every month for 30 years. The savings account pays 9% interest...

17 years ago

How does physics apply in a homemade glass xylophone? [8 glasses of same size filled with water at different levels for pitch, and tapped with a spoon to make the sound] I know it has something to do with waves and sound, but I'm not quite sure what else....

16 years ago

Where can I find information concerning the vaccines required for children going to private schools? I found the requirements for public schools in the CDC website, but haven't been able to find it for private schools. Do you know if they are the same as...

16 years ago

B is in the interior of <AOC. C is in the interior of <BOD. D is in the interior of <COE. m<AOE=162, m<COE=68, and m<AOB=m<COD=m<DOE. Find m<DOA. I have a sketch of the angles, and this is what I have so far as for work: 162=68+3x 94=3x x=31.3 x is the me...

16 years ago

Given the plane 2x-3y+7z=4, find the equation for the line perpendicular to the plane that intersects the plane at the point (6,5,1).

14 years ago

A ball has a 75% rebound ratio. When you drop it from a height of 16 ft, it bounces and bounces... When it strikes the ground for the second time, the ball has traveled a total of 28 ft in a downward direction. How far downward has the ball traveled when...

14 years ago

How do you use Treachery in a compound sentence using independent clauses.

11 years ago

5. Suppose a manufacturer of computer chips is experiencing an average of 2% defective chips. (a) If a lot contains 1000 chips, what is the probability that more than 25 chips are defective? HINT. Use the normal approximation to the binomial.

11 years ago

The length of a rectangle is 8 meters less than 5 times its width. if the perimeter of the rectangle is at most 104 meters, find the greatest possible width of the rectangle.

9 years ago

A number divided by five is 123. What is the number?

4 years ago

THanks for the explanation.

18 years ago

Nevermind, I got it. I was solving for velocity the first time when it should have been mass.

17 years ago

Thanks for your help.!

17 years ago

Thank you. Is there a website that says that? I need to site my information.

16 years ago

Wait, I'm confused. How does the angle equal more than what the entire thing is, which is m<AOE=162? Or did I sketch this wrong?

16 years ago

word

15 years ago

24

9 years ago

order the numbers from least to greatest, -6,8,-9,13

9 years ago

At 100 degrees celsius Compound B (Has the greater mass): 10g x 100mL/16g = 62.5mL When cooled to 20 degrees celsius Compound A: 62.5mL x 1g/100mL = 0.625g Compound B: 62.5mL x 1g/100mL = 0.625g Therefore the mother liquor contains 0.625g of each. Composi...

8 years ago

Its hard to solve for x can you help me?

7 years ago

A Boolean operator is a connecting word or symbol that allows a computer user to include or exclude items in a text search.

7 years ago

how do you write a mixed number?

7 years ago

Alyssa said, that. 6/8 and 9/12 are not equivalent because there. Is no whole number. You can multiply. Both parts of 6/8 by to get 9/12. Is she correct

6 years ago

Harry ate 4/8 of a Marge pizza aiden ate 1/2 of a Anallely pizza harry dais that since 4/8 is equivalent to 1/2 the and aiden ate the sane amount of pizza is the correct

6 years ago

it’s 1,400,000

3 years ago