Answer:
Explanation:
Firstly finding
So,
Substitute
Exchange the values of x and y
Solving for y
Adding 5 to both sides
Dividing both sides by 10
Replace
For x = -4
If a car is moving backward and has negative acceleration, what can be said about the speed of the car?
2 answers:
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Answer:
c. Induced voltage.
Explanation:
Faraday's law says
or in words,
<em>"A changing magnetic flux induces an emf (potential difference) in a coil of wire "</em>
This potential difference is induced, and therefore, we can also call it "induced voltage"; Hence, from the choices given, choice C stands correct.
<em>P.S: Another tempting choice is d; however, it is incorrect since induced emf is NOT an electrostatic force.</em>
Answer:
The acceleration of the crate is
Explanation:
Recall the formula that relates force,mass and acceleration from newton's second law;
Then in our case, we know the force applied and we know the mass of the crate, so we can solve for the acceleration as shown below: