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Ann [662]
3 years ago
5

Which of the following explains why a bicycle uses a lever?

Physics
1 answer:
vovangra [49]3 years ago
5 0
Increases the resistance force
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Consider two identical wave pulses on a rope having a fixed end. Suppose the first pulse reaches the end of the rope, is reflect
jek_recluse [69]

Answer:

zero

Explanation:

Consider two identical wave pulses on a rope having a fixed end. Suppose the first pulse reaches the end of the rope, is reflected back, and then meets the second pulse, both waves will be out of phase by π radians. Therefore, they form destructive interference and hence the amplitude of  the resultant pulse would be zero.

4 0
4 years ago
HELLLLLP PLEASE, thank u :)
MrRa [10]

Answer:

Option B. 3.0×10¯¹¹ F.

Explanation:

The following data were obtained from the question:

Potential difference (V) = 100 V.

Charge (Q) = 3.0×10¯⁹ C.

Capacitance (C) =..?

The capacitance, C of a capacitor is simply defined as the ratio of charge, Q on either plates to the potential difference, V between them. Mathematically, it is expressed as:

Capacitance (C) = Charge (Q) / Potential difference (V)

C = Q/V

With the above formula, we can obtain the capacitance of the parallel plate capacitor as follow:

Potential difference (V) = 100 V.

Charge (Q) = 3.0×10¯⁹ C.

Capacitance (C) =..?

C = Q/V

C = 3.0×10¯⁹ / 100

C = 3.0×10¯¹¹ F.

Therefore, the capacitance of the parallel plate capacitor is 3.0×10¯¹¹ F.

7 0
4 years ago
The sun will eventually become a
nadezda [96]
<span>The sun will eventually become a

>white dwarf 5 billion years from now then 2 billion years after that the core will crystallize, </span><span>leaving a giant diamond in the center of our solar system</span><span />
5 0
3 years ago
A lion released from a cage leaps at 50 km per second in 14
gladu [14]
Answer: C

Explanation: Convert 50 km to m, and you get 50,000. You then divide by 14 and get 3,571.42....The closest answer is C
6 0
4 years ago
An object which is dropped from a certain height has zero (0) initial velocity.
gavmur [86]

Answer:

0 m/s

Explanation:

if an object is dropped we know the initial velocity is zero when in free fall

8 0
3 years ago
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