3 years ago

3. How do electric and magnetic forces act on different object?

Physics

1 answer:

zloy xaker [14]3 years ago

8 0

The answer is C I believe

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Ilya [14]

Answer:

d a

Explanation:

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3 years ago

a) An electric circuit is rates, 240V, 13Ω calculate the amount of current that can be used by this appliance.

zaharov [31]

Answer:

18.4615385 amps

Explanation:

The voltage V in volts (V) is equal to the current I in amps (A) times the resistance R in ohms (Ω):

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3 years ago

What are the three ways acceleration can occur

Mariana [72]

Answer:

Change in velocity, change in direction, change in both velocity and direction

Explanation:

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3 years ago

You are piloting a helicopter which is rising vertically at a uniform velocity of 14.70 m/s. When you reach 196.00 m, you see Ba

Cloud [144]

Answer:

The ball reaches Barney head in $t = 8 \ s$

Explanation:

From the question we are told that

The rise velocity is $v = 14.70 \ m/s$

The height considered is $h = 196 \ m$

The horizontal velocity of the large object is $v_h = 8.50 \ m/s$

Generally from kinematic equation

$s = ut + \frac{1}{2} gt^2$

Here s is the distance of the object from Barney head ,

u is the velocity of the object along the vertical axis which is equal but opposite to the velocity of the helicopter

$u = -14.7 m/s$

$196 = -14.7 t + \frac{1}{2} * 9.8 * t^2$

= $4.9 t^2 - 14.7t - 196 = 0$

Solving the above equation using quadratic formula

The value of t obtained is $t = 8 \ s$

6 0

3 years ago

Can anyone help me with this??

lisov135 [29]

I'm only adept in atomic makeup but my guess would be 13 electrons since they have a negative charge and protons have a positive one.

8 0

3 years ago

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