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olga55 [171]
3 years ago
14

Someone answer pls !!!!

Physics
1 answer:
astra-53 [7]3 years ago
7 0

Answer:

My best guess would be B due to the fact of friction in a simple machine

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The total amount of electrical energy used by a
tia_tia [17]

The amount of electrical energy used by the television is given by:

E=Pt

where P is the power of the device and t is the time.


The power of the television is P=315 W, while the total time is

t=30.0 min \cdot 60 =1800 s

If we substitute these numbers into the formula, we find the energy:

E=Pt=(315 W)(1800 s)=5.67 \cdot 10^5 J


so, the correct answer is

(1) 5.67 × 10^5 J

7 0
3 years ago
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Hydrogen atoms are placed in an external magnetic field. The protons can make transitions between states in which the nuclear sp
gregori [183]

Answer:

Magnetic field = 0.534 T

Explanation:

The solving is on the attach document.

6 0
3 years ago
Convert Gravitational constant (G) = 6.67×10^-11 Nm²kg^-2 to cm³ g ^-1 s^-2.
GaryK [48]

Answer:

6.67×10⁻⁸ cm³/g/s²

Explanation:

6.67×10⁻¹¹ Nm²/kg²

= 6.67×10⁻¹¹ (kg m/s²) m²/kg²

= 6.67×10⁻¹¹ m³/kg/s²

= 6.67×10⁻¹¹ m³/kg/s² × (100 cm/m)³ × (1 kg / 1000 g)

= 6.67×10⁻⁸ cm³/g/s²

3 0
3 years ago
 Which explanation of the solar system best fits the observations of the planets and how they orbit the sun? (Points : 3)       
AURORKA [14]
From those choices, the best is the third one. it relates to why the sun and almost everything else in the solar system spins in the same direction, and also why the abundance of various elements in the planets is so different from what it is in the sun.
7 0
3 years ago
True or false? The plates keep moving and are still moving today.
wariber [46]

Answer:

true

Explanation:

takes time for most plates to move but throughout time they keep moving just at a slow pace

6 0
3 years ago
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