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katen-ka-za [31]
4 years ago
14

Please help ASAP! Willing to give brainliest.

Physics
2 answers:
poizon [28]4 years ago
3 0

Answer: B

Explanation:the voltage is just like the force that drives the current through out the circui... When trippled, the force increases and the current increases since the resistance in the circuit remains constant.

Mashutka [201]4 years ago
3 0

You should pick choice-B.

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A 20 kω resistor is connected in series with an initially uncharged 100 μf capacitor and a 5 v battery. What is the charge on th
madam [21]

Hi there!

We can use the equation for the charge of a charging capacitor:
q(t) = C\epsilon( 1 - e^{-\frac{t}{RC}})

Using Capacitor equations:
C = \frac{Q}{V}}\\\\Q = CV

Therefore, Cε equals the steady-state charge of the capacitor (the function approaches this value as t ⇒ ∞.


We can plug in the givens and solve.
\epsilon = 5 V\\\\C = 100\mu F = 0.0001 F

Q = C \epsilon = (0.0001)(5) = \boxed{0.0005 C}

4 0
2 years ago
The constant forces F1 = 8 + 29 + 32 N and F2 = 48 - 59 - 22 N act together on a particle during a displacement from the point A
marshall27 [118]

Answer:

-600 J

Explanation:

F₁ = 8i +29 j + 32k

F₂ = 48 i - 59 j - 22 k

F = F₁ +F₂ = 8i +29 j + 32k +48 i - 59 j - 22 k

F = 56i - 30 j + 10 k

displacement d = ( 0 - 20 )i + ( 0 - 15 )j + ( 7 -0) k

d = - 20 i - 15 j + 7 k  

Work Done = F dot product d

F . d = - 56 x 20 - 30 x - 15 + 10 x 7

=  - 1120 +450 + 70

= -600 J

5 0
3 years ago
Which form of electromagnetic radiation with a relatively high amount of energy is used to sanitize lab goggles?
alexdok [17]

Answer:

Gamma radiation.

Explanation:

Electromagnetic waves are waves produced with respect to the interaction of electric field and magnetic field. They can be arranged with respect to their increasing or decreasing wavelength to form a pattern called electromagnetic spectrum.

Gamma radiation can be used for sterilization purpose due to the fact that it has a relatively high amount of energy, and do not produce any characteristic radiation.

5 0
3 years ago
QUESTION 1 If you do 1,000 J of work on a system and remove 500 J of heat from it, what is the change in its internal energy?
Mazyrski [523]
1. U = Q + W
    U = -500 + 1000
    U = 500 J

2. The first law of thermodynamic is about the law of conservation of energy where energy in should be equal to energy out.

3. It is the windmill that does not transform energy from heat to mechanical instead it is the transforms the opposite.

4. In a heat engine, work is used to transfer thermal energy from a hot reservoir to a cold one.

5.  5.00 × 10^4 J - 2.00 × 10^4 J = 3.00 × 10^4 J 

6. To increase the work done, we raise the temperature of the cold reservoir. 
7 0
3 years ago
Read 2 more answers
What effect does gender have on sense of smell?
Anastasy [175]

Gender for a guy would be like old smelly socks in a closet

gender for a girl would smell like flowers and perfumes

Such a big difference

7 0
3 years ago
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