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mamaluj [8]
3 years ago
7

Energy exists in different forms. which of the following forms of energy is stored in food

Physics
1 answer:
sergij07 [2.7K]3 years ago
8 0

Answer:

The answer is chemical energy, so that would be D

Explanation:

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Explain why Earth is not a perfect sphere?
miss Akunina [59]
The answer is C hope it helped
6 0
2 years ago
Can an object be in mechanical equilibrium when only a single force acts on it? explain.
elena-s [515]
No because if there is a force, there is acceleration which means the object is getting faster.
3 0
3 years ago
A plastic beach ball has radius 21.6 cm and mass 0.100 kg, not including the air inside. Assume the air density is 1.30 kg/m3 bo
vichka [17]

Answer: 0.1416 kg

Explanation:

Total Mass = Mass of beach ball + Mass of air inside

Mass of beach ball = 0.100 kg

Mass of air = density * volume

Density = 1.30 kg/m^3

Radius (r) = 21.6 cm = 0.216 m

Volume (sphere) = π * r^3 = π * (0.216)^3 = 0.032 m^3

Hence:

Mass of air = 1.30 * 0.032 = 0.0416 kg

Total Mass = 0.100 + 0.0416 = 0.1416 kg

3 0
3 years ago
In the nucleus ______________<br> tell cells what to do and how to change.
anyanavicka [17]

Answer:

i believe it is dna

Explanation:

if i remember correctly if the dna tells the cell what to do and how to do it

7 0
3 years ago
An electron is released from rest in a unifor electric field and accelerates to the north at a rate of 145 m/s^2. What is the ma
julsineya [31]

Answer:

E = 8.26*10⁻¹⁰ N/C, due south.

Explanation:

  • Assuming no other forces acting on the electron than the electrostatic force due to the electric field, we can apply Newton's 2nd law as follows:

       F = -eE =ma (1)

  • Solving for E, we can find its magnitude as follows:

       E =\frac{m*a}{e} = \frac{9.1e-31 kg*145m/s2}{1.6e-19C} = 8.26e-10 N/C (1)

  • The direction of the electric field is by definition the one that would take a positive test charge, so if the electron is accelerated to the north, the electric field would exactly oppose to this direction, so it is directed due south.
7 0
3 years ago
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