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11Alexandr11 [23.1K]
4 years ago
5

While a drag racer is slowing down, the entire car is losing _____ energy. A. heat B. kinetic C. potential D. gravitational

Physics
1 answer:
Phoenix [80]4 years ago
5 0
Yes! The other person is right! Kinetic energy
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Three-point charges are arranged on a line. Charge q3 = +5.00nC and is at the origin. Charge q2 = -3.00 nC and is at x = 5.00 cm
Anon25 [30]

Answer:

Explanation:

Given

Charge q_3=+5\ nC is placed at origin

Charge q_2=-3\ nC is placed at x=5\ cm

Charge q_1 is Placed at x=2.5\ cm

charge q_1 must be positive so as to balance the force on charge q_3

Force on q_3 due to q_1 is

F_{31}=\frac{kq_1q_3}{r^2}

here r=2.5\ cm

F_{31}=\frac{kq_1q_3}{(2.5)^2}

Force on q_3 due to q_2 is

F_{32}=\frac{kq_3q_2}{r^2}

here r=5\ cm

F_{32}=\frac{kq_3q_2}{(5)^2}

F_{31}=F_{32}

\frac{kq_1q_3}{(2.5)^2}=\frac{kq_3q_2}{(5)^2}

q_1=q_2(\frac{2.5}{5})^2

q_1=3\times (\frac{2.5}{5})^2

q_1=3\times \frac{1}{4}

q_1=0.75\ nC

                                                                   

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A chemical property is a change in _____.
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Answer:

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