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Shtirlitz [24]
2 years ago
7

If the speed of a particle is doubled, what happens to its kinetic energy?

Physics
1 answer:
Norma-Jean [14]2 years ago
4 0

Answer:

it increases

Explanation:

maybe for example we have 5pets then you multiple them by two u get 10

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3 years ago
A defibrillator is a device used to shock the heart back to normal beat patterns. To do this, it discharges a 15 μF capacitor th
Mama L [17]

Answer:

Part A: Q = 0.075C

Part B: E = 187.5J

Part C: I = 50A

Part D: ΔQ 1.53C

Explanation:

Part A

Q = C×V

Given

C = 15μF = 15×10‐⁶ F, V = 5kV = 5000V

Q = 15×10‐⁶× 5000 = 0.075C

Part B

Energy = E = 1/2 ×CV² = 1/2 × 15×10‐⁶ × 5000² = 187.5J

Part C

Given R = 100Ω

V = IR, I = V/R = 5000/100 = 50A

Part D

I = ΔQ/Δt

Given Δt= 90ms = 90×10-³s, I = 17A

ΔQ = I × Δt = 17×90×10-³ = 1.53 C

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3 years ago
You will get 50pts and the check mark.
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Stop lamps must be visible within____ to the rear
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