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svet-max [94.6K]
2 years ago
15

Select the correct answer.

Physics
1 answer:
kherson [118]2 years ago
4 0

Answer:

B chemical energy

Explanation:

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Amadeo the Archer is practicing his archery skills. He shoots both arrows into a field. His first arrow (arrow A) is embedded ha
attashe74 [19]

Answer:

1

The arrow with greater impart is Arrow B

2

The both arrows will feel the same impulse

Explanation:

1. Arrow B since KE= W = F * d  it used more force to stop itself in a shorter distance.

2. They should feel the same impulse since the both had the same momentum    m * v= F * t

4 0
2 years ago
The magnetic field in the region between the poles of an electromagnet is uniform at any time, (1 point) but is increasing at th
olga nikolaevna [1]

Answer:

B)

The magnitude of induced emf in the conducting loop is 0.99 mV.

Explanation:

Rate of increase in magnetic field per unit time = 0.090 T/s

Area of the conducting loop = 110 cm^2 = 0.0110 m^2

Electromagnetic induction is the production of an emf or voltage in a coil of wire due to a changing magnetic field through the coil.

Induced e.m.f is given as:

EMF = (-N*change in magnetic field/time)*Area

EMF = rate of change of magnetic field per unit time * Area

EMF = 0.090 * 0.0110

EMF = 0.00099 V

EMF = 0.99 mV

5 0
3 years ago
When you go for a walk which of the following forces is paired with the force of friction on your shoe
Ann [662]

Answer:

static

Explanation:

static friction pushes in the direction you are walking.

7 0
3 years ago
True or false elliptical galaxies are made up of old stars containing small amount of gas
ch4aika [34]
True, They contain old stars and posses little gas or dust
6 0
2 years ago
Why are we not able to see immediate after we enter a dark hall from a lighter place.
Kipish [7]
Technically this is a Biology question;

The 'amount' we can see depends on how much light can get through our pupil to hit our retina.
When there is a lot of light the pupil is small; it doesn't need to be big to let a lot of light in.
When we move to a dark space there is much less light, so the pupil 'dilates' to let enough light so we can see properly.
The period in which one cant see is simply when the pupil hasn't had time to change shape yet so doesn't let in enough light.<span />
3 0
3 years ago
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