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Anna35 [415]
3 years ago
9

A student is planning to make changes to a circuit Which change will

Physics
2 answers:
garik1379 [7]3 years ago
4 0
A is the correct answer, pls give brainliest
beks73 [17]3 years ago
4 0

Answer:

The answer is A

Explanation:

Jus took quiz and got i right

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What is the heat extracted from the cold reservoir for the refrigerator?
zaharov [31]
What is the heat extracted from the cold reservoir for the refrigerator shown in(Figure 1) ? Assume that W1 = -123J and W2 = 88J . 

<span>Qc= _________ </span>

<span>Part B 
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K=105J
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3 years ago
Cassie pulled the boat onto the ice and adjusted its sails. Once she got started she would be able to steer, change direction an
gladu [14]

Wind Energy is the kind of energy will Cassie uses to power the boat.

What is wind energy?

The method of producing electricity using air or wind currents that naturally occur in the earth's atmosphere is known as wind energy (or wind power). Electricity is produced by modern wind turbines that harness the kinetic energy of the wind. Wind passing across the turbine's blades is the initial step.

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8 0
2 years ago
Plz help I will mark brainiest help send answers
Elden [556K]

Answer:

D

Explanation:

3 0
3 years ago
When a piece of iron or mass 78 gm is put in a graduated cylinder containing 100 cm cube of water the reading of the cylinder be
Wittaler [7]

Answer:

Ro = 7.8 [g/cm³]

Explanation:

According to the principle of Archimedes, the volume of a body immersed in a liquid is equal to the volume displaced by water. That is, in this problem The displacement volume is equal to the new volume minus the original volume.

V_{n}=110[cm^{3} ]\\V_{o}=100[cm^{3} ]\\V_{d}=110-100 = 10 [cm^{3} ]

We now know that density is defined as the relationship between mass and volume.

Ro = m/V_{d}

where:

Ro = density [g/cm³]

m = mass = 78 [g]

Vd = displacement volume [cm³]

Ro = 78/10\\Ro = 7.8 [g/cm^{3} ]

7 0
3 years ago
What is the acceleration of a 24 kg mass pushed by a 6N force?
olga nikolaevna [1]
0.25 m/s squared

hope this helps x
7 0
3 years ago
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