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3 years ago

11

PROJECTILE MOTION FOR TWO Rocks-VELOCITY-TIME GRAPHS

1 answer:

erastova [34]3 years ago

5 0

Answer:

nob

nobody knows i tried it doesnt work like that ask for help

Explanation:

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When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused b

Likurg_2 [28]

This is caused by A. resonance.
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4 years ago

Read 2 more answers

How do I find the release angle of an object

SpyIntel [72]

Answer:

This is what I know, The angle of releases changes the relationship between the horizontal and vertical components of projectile. The idea angle of release is 45 degrees, assuming there is no air resistance and take off and landing points are the same height.

Explanation:

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3 years ago

7) You think you have found a diamond. Its mass is 5.28 g and its volume is 2 cm3. Calculate the density

lesya [120]

Answer:

$\boxed {\tt d=2.64 \ g/cm^3}$

$\boxed {\tt Not \ a \ diamond}$

Explanation:

Density can be found by dividing the mass by the volume.

$d=\frac{m}{v}$

The mass is 5.28 grams and the volume is 2 cubic centimeters.

$m=5.28 \ g\\v= 2 \ cm^3$

Substitute the values into the formula.

$d=\frac{5.28 \ g }{2 \ cm^3}$

Divide.

$d=2.64 \ g/c^3$

The density of the unknown substance is 2.64 grams per cubic centimeter.

The density of a diamond is about 3.5 grams per cubic centimeter. Since 2.64 is not equal to 3.5, the unknown substance is not a diamond.

6 0

4 years ago

If the 15.0 cm string is shorter than the 30.0 cm string.

Margaret [11]

Answer:

option c) 2 is the right answer

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3 years ago

HELP THIS IS URGENT! IT WOULD BE GREATLY APPRECIATED IF YOU ANSWER ALL BUT ONE IS FINE!

sukhopar [10]

Answer:

1 both increase

2. highest to lowest A C D B

3 the kinetic energy is higher in the larger vehicle as they have the same speed

Explanation:

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3 years ago