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navik [9.2K]
3 years ago
13

If two capacitors, A and B, have the same area and dielectric constant, but the distance between the plates of A is twice the di

stance between the plates of B, which has the higher capacitance? Explain your answer.
Physics
1 answer:
emmasim [6.3K]3 years ago
7 0

Answer:

Plate B will have a higher capacitance

Explanation:

One of the conditions affecting the capacitance of a capacitor is spacing between plates, the greater the spacing the lesser the capacitance and vice versa.

Hence plate B will have the B will have higher capacitance since the spacing is less when compared with that of plate A

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Object A has of mass 7.20 kilograms, and object B has a mass of 5.75 kilograms. The two objects move along a straight line towar
Vera_Pavlovna [14]
If the collision is elastic, there is no loss in kinetic energies, which means that the total energies before and after impact are the same.  So no need to worry about final velocities.

Final energy
= initial energy
= (1/2) (7.20*2.00^2+5.75*(-1.30)^2)
=19.26 joules

Answer: the total kinetic energy is 19.3 J. after collision.

8 0
4 years ago
A body moves in a straight line. At time, it's acceleration is given by a = 12t + 1. When t =0, the velocity of the body v is 2
madreJ [45]

Answer:

v = 6t² + t + 2, s = 2t³ + ½ t² + 2t

59 m/s, 64.5 m

Explanation:

a = 12t + 1

v = ∫ a dt

v = 6t² + t + C

At t = 0, v = 2.

2 = 6(0)² + (0) + C

2 = C

Therefore, v = 6t² + t + 2.

s = ∫ v dt

s = 2t³ + ½ t² + 2t + C

At t = 0, s = 0.

0 = 2(0)³ + ½ (0)² + 2(0) + C

0 = C

Therefore, s = 2t³ + ½ t² + 2t.

At t = 3:

v = 6(3)² + (3) + 2 = 59

s = 2(3)³ + ½ (3)² + 2(3) = 64.5

5 0
3 years ago
HELP PLEASE NOWWWW !!!! ( 1 )   Jill and Scott both road their bikes for 30 minutes.  Jill traveled 5 kilometers and Scott trave
katovenus [111]

#1

Jill and Scott both moves for 30 minutes

now if Jill cover 5 km distance and Scott cover 10 km distance

now we know that the formula of speed is given as

speed = \frac{distance}{time}

now we will have

speed of Jill

v = \frac{5}{0.5} = 10 km/h

speed of Scott

v = \frac{10}{0.5} = 20 km/h

so correct answer here is

<em>Scott had the faster speed since he rode at 20 k/h while Jill only traveled 10 km/h.</em>

<em>#2</em>

distance travelled by each car is given as

d = 400 miles

now here it is given that

time taken by green car

t_1 = 10 hours

time taken by yellow car

t_2 = 8 hours

now we can find the speed of two cars

speed = \frac{distance}{time}

speed of green car

v = \frac{400}{10} = 40 mph

speed of yellow car

v = \frac{400}{8} = 50 mph

so correct answer will be

<em>The yellow car was faster.  Yellow traveled at a speed of 50 mph while green was traveling at an average of 40 mph.</em>

6 0
3 years ago
Read 2 more answers
Now the king had a grand-vizir who was avaricious, and envious, and a very bad man. He grew extremely jealous of the physician,
BlackZzzverrR [31]
<h2><em>He wants the king’s complete attention. </em></h2><h2><em> </em></h2><h2><em>He is afraid of someone pointing out the error of his false accusations. </em></h2><h2><em> </em></h2>

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6 0
3 years ago
On the kelvin scale what is the freezing point of water
Alla [95]
Freezing point of the water is known as 273 K

Hope this helps!
8 0
3 years ago
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