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goldenfox [79]
1 year ago
13

A What CE describes the way energy is stored in a sandwich​

Physics
1 answer:
SVETLANKA909090 [29]1 year ago
8 0
What is Potential Energy? You probably already know that without eating, your body becomes weak from lack of energy. Take a few bites of a turkey sandwich, and moments later, you feel much better. That's because food molecules contain potential energy, or stored energy, that can do work in the future. Hope it helps
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Megan left her bicycle outside on the patio while she went on vacation for several weeks. When she returned, Megan discovered a
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Rust is a chemical change. Chemical changes are when the substances that make up an object change into other chemicals. For example, rust. What happens is metal and oxygen/water react and create rust. Hope this helps :) 
8 0
1 year ago
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In this lab you will use a cart and a track to explore Newton's second law of motion. You will vary two different variables and
Savatey [412]

<u>Answer:</u>

<em>Newtons II law: </em>

<em>     </em>It  is defined as<em> "the net force acting on the object is a product of mass and acceleration of the body"</em> . Also it defines that the <em>"acceleration of an object is dependent on net force and mass of the body".</em>

Let us assume that,a string is attached to the cart, which passes over a pulley along the track. At another end of the string a weight is attached which hangs over the pulley. The hanging weight provides tension in the spring, and it helps in accelerating the cart. We assume that the string is massless and no friction between pulley and the string.

Whenever the hanging weight moves downwards, the cart will accelerate to right side.

<em>For the hanging weight/mass</em>

When hanging weight of mass is m₁ and accelerate due to gravitational force g.

           Therefore we can write F = m₁ .g

and the tension acts in upward direction T (negetive)

        Now, Fnet = m₁ .g - T

                          = m₁.a

So From Newtons II law<em> F =  m.a</em>

3 0
1 year ago
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Tyler has learned that potential energy is energy stored. Tyler's teacher asks the students to come up with a demonstration of p
Advocard [28]
D.A child at the top of a slide
7 0
2 years ago
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At a location where the acceleration due to gravity is 9.807 m/s2, the atmospheric pressure is 9.891 × 104 Pa. A barometer at th
Otrada [13]

Answer:

8616.7468 \ kg/m^3

Explanation:

Pressure is measured is p=\rho gh here p is pressure \rho is density and h is height

We have given pressure p=9.891\times 10^4\ Pa acceleration due to gravity g=9.9870\ m/sec^2 height =1.163 m

\rho =\frac{p}{gh}=\frac{9.891\times 10^4}{9.870\times 1.163}=8616.7468 \ kg/m^3

5 0
1 year ago
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A rotating beacon is located 2 miles out in the water. Let A be the point on the shore that is closest to the beacon. As the bea
Mice21 [21]

Answer:

v = 3369.2 m/s

Explanation:

As we know that Beacon is rotating with angular speed

f = 10 rev/min

so we have

\omega = 2\pi f

\omega = 2\pi(\frac{10}{60})

\omega = 1.047 rad/s

now we know that

v = r \omega

here we will have

r = 2 miles = 2(1609 m)

r = 3218 m

so we have

v = 3218(1.047)

v = 3369.2 m/s

6 0
1 year ago
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