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Tpy6a [65]
1 year ago
13

Convert 5.5 kilometers into millimeters.​

Physics
1 answer:
dimaraw [331]1 year ago
4 0

Answer:

5500000 millimeters

Explanation:

1 kilometre= 1000 meter

5.5 km=5.5 * 1000

=5500

Now,

1 metre = 1000 millimetres

5500 metre=1000*5500

=5500000 mm

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Please help me solve all of them ( a, b, c and d ) thankiew !! <br> I’m also kind of in a rush
Sergio039 [100]

Answer:

a-

V= IR

9V = I ×( 12+6)

I = 9/ 18 A = 0.5 A

b

V=IR

240 = 6 A ×( 20 + R)

40 = 20 + R

R = 20 ohm

c

resultant resistance of the 2 parallel resistances= Ro

1/Ro = 1/ 5 + 1/ 20

1/Ro =( 20+5)/100

= 1/Ro = 1/4

Ro= 4 ohm

V=IR

V = 2A × ( 1+ 4 OHM)

V = 10V

d

equivalent resistance = Ro

1/Ro = 1/(2+8) + 1/(5+5)

1/Ro = 1/10 +1/10

2/10 = 1/ Ro

Ro= 10/2 = 5 ohm

V = IR

12V = I × 5Ohm

I=2.4 A

6 0
2 years ago
A yellow train of mass 100 kg is moving at 8 m/s towards an orange train of mass 200 kg traveling on the opposite direction on t
vladimir1956 [14]
Mass of yellow train, my = 100 kg

Initial Velocity of yellow train, = 8 m/s

mass of orange train = 200 kg

Initial Velocity of orange train = -1 m/s (since it moves opposite direction to the yellow train, we will put negative to show the opposite direction)

To calculate the initial momentum of both trains, we will use the principle of conservation of momentum which

The sum of initial momentum = the sum of final momentum


Since the question only wants the sum of initial momentum,

(100)(8) + (200)(-1) = 600 m/s

8 0
2 years ago
__________ is when all light rays bounce off an object at the same angle.
Ad libitum [116K]
Diffuse reflection have a great day

5 0
2 years ago
How much acceleration does a car need if it is to go a distance of 620 ft. In a time of 20 sec while it is speeding up
yan [13]
31ft/second . 620/20
3 0
3 years ago
The fastest animal in the world is the peregrine falcon. It is capable of diving after its prey at an amazing 83.00 meters per s
gregori [183]
1 metre per second = 2.237 miles per hour

so 83 m/sec = 185.666 miles per hour !! ...answer !!

6 0
3 years ago
Read 2 more answers
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