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3 years ago

Just help me do this dawg pls

Physics

1 answer:

givi [52]3 years ago

3 0

Answer:

Series means one after another like cars on a train

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A 2.99 x 10-6 C charge is moving in a

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824 m/s

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You are in a contest with your friends to see who can drive a golf ball the farthest. should you hit a "line drive" (low to the

WITCHER [35]

Line drive would be more farthest from the very high angle shot because when we increase the angle of flight the range started to increase and at some point it becomes maximum and that angle is 45° after that as you go on increasing the angle it won't be covering more distance as compared to the max at (45°) .

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What is the force of gravitational attraction between an object with a mass of 2kg and another object that has a mass of 2kg and

kupik [55]

Answer:

1.7x10^-10 N

Explanation:

F = G [(m_1)(m_2)]/(r^2)

F = force

G = Gravitational constant 6.67433x10^-11 (N*m^2)/kg^2

m_1 = mass first object

m_2 = mass second object

r = radius between the 2 objects

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3 years ago

The starter motor of a car engine draws an electric current of 20.0 A from the battery. The copper wire to the motor is 5.90 mm

insens350 [35]

Answer:

q = 13 C

Explanation:

Given that,

Electric current, I = 20 A

The starter motor runs for 0.65 s before the car engine starts up.

We need to find how much of electric charge passes through the starter motor. Let it is q.

Electric current = electric charge/time

$I=\dfrac{q}{t}\\\\q=It\\\\q=20\ A\times 0.65\ s\\\\q=13\ C$

So, 13 C of electric charge passes through the starter motor.

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3 years ago

Some homes that use baseboard heating use copper tubing. hot water runs through and heats the copper tubing, which in turn heats

AlekseyPX

When you heat a certain substance with a difference of temperature $\Delta T$ the heat (energy) you must give to it is
$E(=Q) =mc\Delta T$
where $c$ is the specific heat of that substance (given in J/(g*Celsius))
In this case
$E=645*0.3850*(28.22-13.20) =3729.8 (Joule)$

Observation: the specific heat of a substance is given in J/(g*Celsius) or J/(g*Kelvin) because on the temperature scale a difference of 1 degree Celsius = 1 degree Kelvin

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3 years ago