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BabaBlast [244]
3 years ago
8

Select the correct answer.

Physics
2 answers:
morpeh [17]3 years ago
7 0

Answer:

B

Explanation:

But molecules at a higher temperature have more energy.

Alekssandra [29.7K]3 years ago
7 0

Answer: B. Raising the temperature of the air

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a toy dart gun generates a dart with .140kg.m/s momentum and a velocity of 4m/s. what is the mass of the dart in grams?
sleet_krkn [62]

Answer: m = 0.035kg = 35g

Explanation: Momentum p=0.140kgm/s

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Formula-

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2 years ago
A small glass bead has been charged to 8.0 nc. what is the magnitude of the electric field 2.0 cm from the center of the bead?
astraxan [27]
<span>Charge of the glass bead Q = 8.0 x 10^-9 C Distance d = 2.0 cm = 0.02 m Coulombs constant K = 8.99 x 10^9 Nm^2/C^2 Electric Field E = k x Q / d^2 = 8.99 x 10^9 x 8.0 x 10^-9 / (0.02)^2 E = 71.92 / 0.0004 = 17.98 x 10^4 The electric field is 1.8 x 10^5 N/C</span>
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