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Arlecino [84]
4 years ago
7

What colour would you see if white light on a magenta t-shirt?

Physics
2 answers:
maw [93]4 years ago
5 0

Answer:In Example A, white light (i.e., a mixture of red, green and blue) shines upon a magenta filter. Magenta absorbs its complementary color - green. Thus, green is subtracted from white light.

prisoha [69]4 years ago
3 0
White light mate tttt
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A testable prediction is a(n) ______. Group of answer choices a. hypothesis b. experiment c. exercise d. variable
kicyunya [14]

Answer :A testable prediction is also known as a hypothesis.

Explanation: I think

7 0
3 years ago
Read 2 more answers
A radio wave sent from the surface of the earth reflects from the surface of the moon and returns to the earth. The elapsed time
frez [133]

Answer:

7.92 × 10^8 M

8 0
4 years ago
The free-fall acceleration on Mars is 3.7 m/s2.
hichkok12 [17]

Answer:

(a) The length of the pendulum on Earth is 36.8cm

(b) The length of the pendulum on Mars is 13.5cm

(c) Mass suspended from the spring on Earth is 0.37kg

(d) Mass suspended from the spring on Mars is 0.36kg

Explanation:

Period = 1.2s, free fall acceleration on Earth = 9.8m/s^2, free fall acceleration on Mars = 3.7m/s^2

( a) Length of pendulum on Earth = [( period ÷ 2π)^2] × acceleration = (1.2 ÷ 2×3.142)^2 × 9.8 = 0.0365×9.8 = 0.358m = 35.8cm

(b) Length of the pendulum on Mars = (1.2÷2×3.142)^2 × 3.7 = 0.0365×3.7 = 0.135cm = 13.5m

(c) Mass suspended from the spring on Earth = (force constant×length in meter) ÷ acceleration = (10×0.358) ÷ 9.8 = 0.37kg

(d) Mass suspended from the spring on Mars = (10×0.135)÷3.7 = 0.36kg

6 0
3 years ago
What is the power of a machine that transfers 15,000J of energy in 1 minute?
____ [38]

Answer:

answer is 250 W

Explanation:

W=P * t

t=60s

W= 15000J

15000= P * 60

P= 15000/60

P= 250W. (SI unit of power Watt)

5 0
3 years ago
Doug, who runs track for his high school, was challenged to a race by his younger brother, matt. Matt started running first, and
eduard

The speed of Matt is 10 mph.

Doug runs 2 miles an hour faster than Matt, so let Matt’s speed equal x miles per hour. Then Doug’s speed equals x + 2 miles per hour. Each lap is one-quarter of a mile, so Doug runs 1.5 miles in the time it takes Matt to run 1.25 miles.

Rate of Matt is x

Rate of Dough is (x + 2)

Time taken by Matt is 1.25/x

Time taken by Dough is 1.25/(x + 2)

Distance covered by Matt is 1.25

Distance covered by Dough is 1.5

Dough and  Matt  took the same amount of time from the time Doug started, so make an equation by setting the two times in the chart equal to each other, and then solve for x:

            \frac{1.5}{(x + 2)} = \frac{1.25}{x}

              1.5x = 1.25(x + 2)

              1.5x = 1.25x + 2.5

           0.25x = 2.5

                   x = 10

So Matt ran at 10 miles per hour.

To know more about time, speed and distance, visit: brainly.com/question/26046491

#SPJ4

7 0
1 year ago
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