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12345 [234]
2 years ago
14

Why did a coke ice cube melt faster than a normal ice cube?

Physics
2 answers:
Bess [88]2 years ago
5 0
Carbonation is the answer
Margarita [4]2 years ago
3 0
Because of the carbonation
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When 150 joules of work is done on a system by an external force of 15 newtons in 20. seconds, the total energy of that system i
umka2103 [35]

Answer:

1.5 × 10^2 J

Explanation:

The initial force, which in this case is the external force is equal to 15N. Logically, when 150 Joules of work is done upon that system the overall energy will increase by that very same amount of work applied on the system which is 150 J.

6 0
2 years ago
Two charges with a certain distance apart have an electrostatic force of 400 N acting
Doss [256]
As the charges’ distance increase, there is a weaker force of attraction between them hence the electrostatic force decreases as distance increases. It increase by 4 (times 4) so the force will decrease by 4 making the answer

=A (400 divided by 4 = 100)
3 0
2 years ago
A tennis ball is tossed upwards into the air with an initial velocity of +5m/s, how much time does it take for the tennis ball t
Sever21 [200]
HOPE THIS HELPS YOU!!!!!

3 0
2 years ago
According to Newton’s 2nd law of motion: objects at a rest will remain in rest unless acted upon
Dmitry_Shevchenko [17]

Answer:

True

Explanation:

It may be seen as a statement about inertia, that objects will remain in their state of motion unless a force acts to change the motion. Any change in motion involves an acceleration, and then Newton's Second Law applies.

- Hyperphysics

5 0
3 years ago
Read 2 more answers
A ceiling fan has three blades. The moment of inertia of a blade is 0.2kgm^2. The net torque exerted on fan blades is 8Nm. Find
olchik [2.2K]

Answer:

(A) the angular acceleration of the blades is 13.33 m/s.

Explanation:

Given;

moment of inertia of a blade, I = 0.2 kgm²

net torque exerted on fan blades, ∑τ =  8Nm

Torque is given as product of moment of inertia and angular acceleration;

τ = Iα

where;

α is the angular acceleration

Since there are three blades of the ceiling fan, the net torque is given as;

∑τ = (3I)α

∑τ = 3Iα

α = ∑τ / 3I

α = (8) / (3 x 0.2)

α = 13.33 m/s

Therefore, the angular acceleration of the blades is 13.33 m/s.

8 0
2 years ago
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