3 years ago

WILL GIVE BRAINLY!!!

1 answer:

Gnoma [55]3 years ago

7 0

The answer is apogee my dude

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Margarita [4]

D) a car speeding up may i have brainliest hope this help

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4 years ago

Hoochie [10]

Answer:

Work done by the machine (W) = 500 × 1.5 = 750 J

Work supplied to the machine (W) = 100 × 10 = 1000 J

Here, work supplied to the machine is input work = 1000 J

7 0

3 years ago

Lana71 [14]

1 m/s^2

Using F=ma,

7=7a

a=1

3 0

3 years ago

vitfil [10]

Answer:

$q=7.65*10^{-8}C$

Explanation:

Using Newton's second law, we calculate the magnitude of the electric force between the spheres:

$F=ma\\F=0.5*10^{-3}kg(170\frac{m}{s^2})\\F=0.085N$

The magnitude of the charge in both spheres is the same. So, we calculate the charge, using Coulomb's law:

$F=\frac{kq^2}{d^2}\\q=\sqrt\frac{Fd^2}{k}\\q=\sqrt\frac{(0.085N)(2.5*10^{-2}m)^2}{8.99*10^9\frac{N\cdot m^2}{C^2}}\\q=7.65*10^{-8}C$

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3 years ago

TEA [102]

Answer:D

Explanation:

6 0

3 years ago