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4 years ago

Plz help me ! I hate apex

Physics

2 answers:

docker41 [41]4 years ago

8 0

They research, observe, test, hypotheses, conduct experiments, read, use what they know and the knowledge of others from others experiments

statuscvo [17]4 years ago

4 0

Answer:

1. Observation

2. Data collection

3. Hypothesis

4. Experiment

5. Result

6. Conclusion

7. Theory

8. Law

Explanation:

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A 15 C point charge is located on the yaxis at (0, 0.25). A second charge of 10 C is located on the x-axis at (0.25, 0). If th

igomit [66]

Answer:

10.8 N

Explanation:

The question requires the force between them, hence, we only need the magnitude of the force without considering what direction it's acting.

Parameters given:

Q1 = 15 * 10^(-6) C

Q2 = 10 * 10^(-6) C

The diagram explains better.

The electrostatic force BETWEEN Q1 and Q2 is:

F = (k * Q1 * Q2)/r²

Using Pythagoras theorem:

r² = 0.25² + 0.25² = 0.0625 + 0.0625

r² = 0.125

=> F = [9 * 10^9 * 15 * 10^(-6) * 10 * 10^(-6)]/0.125

F = 1.35/0.125

F = 10.8 N

7 0

3 years ago

A 11 547,83-N car is raised using a hydraulic lift, which

kati45 [8]

Answer:

75457.54816 N

Explanation:

$F_1$ = Initial force

$F_2$ = Weight of car = 11547.83 N

$r_1$ = Smaller radius = 5 cm

$r_2$ = Larger radius = 19.56 cm

From Pascal's law we have

$\dfrac{F_1}{A_1}=\dfrac{F_2}{A_2}\\\Rightarrow F_1=F_2\dfrac{A_1}{A_2}\\\Rightarrow F_1=11547.83\dfrac{\pi r_1^2}{\pi r_2^2}\\\Rightarrow F_1=11547.83\dfrac{5^2}{19.56^2}\\\Rightarrow F_1=754.57548\ N$

The force is 754.57548 N

3 0

4 years ago

A ball is launched from a slingshot. As the ball travels along its trajectory, what force(s) are acting on it? Select all that a

ZanzabumX [31]

Force of air and gravitational force are acting on the ball when launched from the slingshot.

When a ball is launched from a slingshot, during its travel force of air as well as gravitational force are acting on the ball because there is air which moves opposite to the motion of a ball whereas the force of gravity attracts the ball downward.

The force of air slows down the motion of the ball while on the other hand, the force of gravity brings the ball to the ground due to attraction. If these two forces are not present then the ball continues its motion forever so we can conclude that force of air and force of gravity are acting on the ball when launched from the slingshot.

Learn more: brainly.com/question/25533186

4 0

3 years ago

A tangential force of 1500 N exerted upon the upper surface of a cube of 20 cm edge. Calulate the shear modulus of the cube mata

I am Lyosha [343]

Answer:

The shear modulus of the cube material is $7.5 \times 10^6 N/m^2$ . 