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3 years ago

Help me with this! I do not understand it! I will give brainliest! Is it A B C or D

Physics

2 answers:

Firdavs [7]3 years ago

3 0

The answer is C. Click C.

MaRussiya [10]3 years ago

3 0

This is because one square is completely black, and the circle is half black, therefore, the produced circle cannot be completely white.

Instead, it'd be half white OR completely black

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True or false: When an object becomes polarized, it acquires a charge and becomes a charged object.

PSYCHO15rus [73]

Answer:

i think its true

Explanation:

8 0

3 years ago

A 22 µF capacitor charged to 0.7 kV and a second 115 µF capacitor charged to 5.5 kV are connected to each other, with the positi

vesna_86 [32]

Answer:

0.099C

Explanation:

First, we need to get the common potential voltage using the formula

$V=\frac {C_2V_2-C_1V_1}{C_1+C_2}$

Where V is the common voltage, C and V represent capacitance and charge respectively. Subscripts 1 and 2 to represent the the first and second respectively. Substituting the above with the following given values then

$C_1=22\times 10^{-6} F\\ C_2=115\times 10^{-6} F\\ V_1= 0.7\times 10^{3}\\V_2=5.5\times 10^{3}$

Therefore

$V=\frac {115\times 10^{-6}\times 5.5\times 10^{3}-22\times 10^{6}\times 0.7\times 10^{3}}{22\times 10^{-6}+115\times 10^{-6}}=4504.3795620437$

Charge, Q is given by CV hence for the first capacitor charge will be $Q_1=C_1V$

Here, $Q_1=22\times 10^{-6}\times 4504.3795620437=0.0990963503649C\approx 0.099C$

8 0

3 years ago

You indicate that a symbol

Goryan [66]

Answer:

B. over the symbol.

Explanation:

vectors are represented with a symbol carrying an arrow head with also indicates direction

8 0

3 years ago

Two technicians are discussing torque wrenches. Technician A says that a torque wrench is capable of tightening a fastener with

USPshnik [31]

Djfigud ticks fjyigud dhy

7 0

3 years ago

A 90-meter train travels at a constant speed of 10 meters per second. How long will it take to cross a 0.06 bridge?

salantis [7]

Answer:

The time taken for the train to cross the bridge is 9.01 s

Explanation:

Given;

length of the train, L₁ = 90 m

length of the bridge, L₂ = 0.06 m

speed of the train, v = 10 m/s

Total distance to be traveled, = L₁ + L₂

= 90 m + 0.06 m

= 90.06 m

Time of motion = Distance / speed

Time of motion = 90.06 / 10

Time of motion = 9.006 s ≅ 9.01 s

Therefore, the time taken for the train to cross the bridge is 9.01 s

5 0

3 years ago