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Oliga [24]
3 years ago
7

Help me please answer this

Physics
2 answers:
antiseptic1488 [7]3 years ago
8 0

Answer:

that's fusion

Explanation:

Vinil7 [7]3 years ago
6 0

Answer:

the answer is fusion for this

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An object with height h, mass M, and a uniform cross-sectional area A floats upright in a liquid with density ρ.
soldi70 [24.7K]
** Missing information: The vertical distance from surface of liquid to bottom of the object is sought in this question, with the condition that the object is at equilibrium **

Ans: The vertical distance = y = M/(ρA)

Explanation:

Support the vertical distance = y

Object's density = M/(A*h) (since A*h = volume)

By applying the condition, 

(M/(Ah))/ρ = y/h

M/(ρAh) = y/h

y = M/(ρA)  

7 0
3 years ago
The diagram below shows the path of a planet around a star.
Anit [1.1K]

Answer:

Point C

Explanation:

Centripetal acceleration ac is inversely proportional to radius of orbit so it is greatest at point C.

7 0
2 years ago
If a car is moving to the left with constantvelocity, one can conclude that
jeka94

Answer:

The net force applied to the car is zero.

Explanation:

We are given that a car is moving to the left with constant velocity.

When the car moving with constant velocity

Then, the final velocity=Initial velocity

Change in velocity=Final velocity- initial velocity=0

When change in velocity is zero then , acceleration of car

a=\frac{change\;in\;velocity}{time}=\frac{0}{t}=0

When acceleration is zero then, By Newtons second law

Force=Mass\times acceleration=Mass\times 0=0

The net force applied on the car will be zero.

Option C:The net force applied to the car is zero.

5 0
3 years ago
What is the kinetic energy of a 1200 kg object that is moving at a speed of 24m/s?
n200080 [17]
Here, K.E. = 1/2 * mv²

So, K.E. = 1/2 * (1200) * (24)²

K.E. = 1/2 * 1200 * 576

K.E. = 600 * 576

K.E. = 345,600 J

Hope this helps!
6 0
3 years ago
A roller coaster is going through a loop with a circular radius of 9.1 meters, how fast must the roller coaster be moving at the
Verdich [7]

Answer:

at least 20mph

Explanation:

8 0
3 years ago
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