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Sauron [17]
4 years ago
11

Sung rolls a marble off the edge of a table. She rolls the marble off the same table again but at a different speed. Which best

describes the projectile motion of the marble as it leaves the table at the two different speeds?
Physics
2 answers:
DedPeter [7]4 years ago
8 0
I believe that the answer is D.
aleksklad [387]4 years ago
4 0

Answer: Correct answer is "The marbles horizontal velocity changes, but its vertical velocity does not."

Explanation: I have had the same question on my High School Physics test, and got the answer correct.

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Can aurora be found in other planets?
Veronika [31]

Answer:

Yes

Explanation:

Any planet with a sufficiently dense atmosphere that lies in the path of the solar wind will have aurora. It has been discoveres in planets like Jupiter, Saturn, etc.

8 0
3 years ago
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Why isn't solar energy usually the only power source for a region​
vova2212 [387]

bc it isnt enough take disney for example roughly 50 miles of solar panels (yes they are in the shape of a mickey head) only powers two parks ( animal kingdom, epcot, magic kingdom etc. etc.)

6 0
3 years ago
Which of the following actions would decrease the energy stored in a parallel plate capacitor when a constant potential differen
Debora [2.8K]

Answer:

increasing the separation between the plates

Explanation:

The increase in the vacuum/separation between the plates in a parallel plate capacitor connected to a constant potential difference decreases the energy stored in the capacitor. the increase in the separation of the plates of a parallel plate capacitor reduces the capacitance of the capacitor because

Q(charge) = CV  V = VOLTAGE , c = capacitance  

E = 1/2 eAV^2/ D  ( ENERGY STORED )

where D = distance between plates, e = dielectric, A = area of capacitor , V = potential difference

6 0
3 years ago
What would happen? Why?
koban [17]
Lightning rods provide low resistance paths to the ground that’ll be used to conduct the enormous electrical currents when lightning strikes happen. So the system will attempt to carry the harmful electrical current away from it and safely to ground. The system will have the ability to handle enormous electrical currents associated with the lightning strikes, if they contact a material that isn’t a good conductor then the material will suffer massive heat damage. So the lightning rod system is considered the best conductor & this allows the current to flow to the ground without causing any massive heat damage.
6 0
4 years ago
a steel block has a mass of 40g.it is in the form of a cube. each edge is 1.74cm long. calculate the density
Vinil7 [7]

Answer:

d ≈ 7,6 g/cm³  

Explanation:

d = m/V = 40g/5,27cm³ ≈ 7,6 g/cm³

V = l³ = (1.74cm)³ ≈ 5,27 cm³

3 0
3 years ago
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