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Jlenok [28]
2 years ago
14

Define projectile in your own .​

Physics
2 answers:
vazorg [7]2 years ago
8 0

Answer:

<h3><em>projectile is defined as a body thrown in space , moves under the influence of gravity .</em></h3>

<em>hope</em><em> it</em><em> is</em><em> </em><em>you </em>

lorasvet [3.4K]2 years ago
5 0

Answer:

a body which was thrown in space ,moves under the influence of gravity only is defined as projectile.

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What is the density of a roll of pennies containing 50 pennies?
ololo11 [35]

Answer:

Density is defined as:

Density = Mass/Volume

Now, density is an intensive property, this means that if you have 10 grams of a given material or 1000 grams of the same material, in both cases you will find the same density.

Then a roll of 50 pennies has the same density that a single penny.

The measures of a single penny are:

Mass = 2.5 g

Thickness = 1.52 mm

Radius = 9.525 mm

The coin is a cylinder, and the volume of a cylinder is:

V = pi*r^2*h

where:

pi = 3.14

r = radius = 9.525mm

h = thikness = 1.52mm

The volume is:

V = 3.14*(9.525mm)^2*1.52mm = 433.015 mm^3

The density will be:

D = 2.5g/433.015mm^3 = 0.00577 g/mm^3

4 0
3 years ago
Charge A has 10 electric field lines coming out, Charge B has 20 lines coming out, and Charge C has 30 lines coming in. Which pa
Whitepunk [10]

Answer:

c will have the largest charge

Explanation:

because more lines are coming more line means more foce is required

3 0
3 years ago
Models are particularly useful in relativity and quantum mechanics, where conditions are outside those normally encountered by h
mylen [45]

Answer:

A model is defined as a structure used to represent an object, usually of a different scale.

Explanation:

In quantum mechanics and particle physics, many of the particles are subatomic, meaning that they are smaller than atoms. This is where a model would be useful. A model could help people to visualise what the particle looks like, and in general would make it easier to understand the behaviour of such a particle.

4 0
3 years ago
Axit amin có chức năng gì sau đây
alexandr402 [8]

Answer:

i dont understand sorry

7 0
3 years ago
If the pig can move the car 30 meters in 10 seconds then what is the speed for the car
mote1985 [20]

Answer:

3 mps

Explanation:

So we want to convert this into a unit rate. So we take 30/10=3. So 3 meters per second.

8 0
3 years ago
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