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IRISSAK [1]
3 years ago
15

Byun walked 15 blocks in 25 minutes. What was his average speed?

Physics
1 answer:
djverab [1.8K]3 years ago
8 0

Answer:

0.3m/s

Explanation:

speed=distance moved by the object/time taken

speed=15/25

speed=0.6

but we are asked to calculate average speed

so speed/2

average speed= 0.6/2

average speed=0.3m/s

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1. orbit (the missing one)
2. axis
a. summer, northern
b. winter, northern 
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8 0
3 years ago
Which line represnts object moving fastest<br>**WILL MARK BRAINLEST ANSWER, IF RIGHT**​
balu736 [363]

Line - A:  (15/10)  =  1.5 inch/second

Line - B:  (0/10)  =  0

Line - C:  (10/10)  =  1.0 inch/second

Line - D:  (-25/20)  =  -1.25 inch/second

<em>Line-A</em> represents the greatest speed.

8 0
3 years ago
When the dog shakes his body, his fur and the droplets of water clinging to it move in circular arcs. If the droplets leave the
AysviL [449]

Answer:

A) True. The droplets will move in parabolic arcs.

Explanation:

When the dog shakes the drops that leave the fur they leave with a speed and an angle; These are now subject to the out of gravity that accelerates them in the vertical axis and has no outside the horizontal axis, so they must describe a parabolic movement.

Pair to describe a central force that changes its speed, but this force does not exist once they leave the dog

Let's check the answers

A) True. You agree with the analysis

B) False. There is an outside on the axis and therefore the line is deviating

C) False. There is no radial force that creates this movement

4 0
3 years ago
A refrigerator has a power of 90 w and is left on for 24 hours. A hair dryer has a power of 900 w an is on for 20 minutes. Which
Musya8 [376]

The refrigerator has consumed more energy

Explanation:

The relationship between power and energy consumed by a device is given by

E=Pt

where

E is the energy

P is the power

t is the time elapsed

For the refrigerator, we have

P = 90 W

t = 24 h \cdot 3600 = 86400 s

Therefore the energy consumed is

E=(90)(86400)=7.78\cdot 10^6 J

For the hair dryer, we have

P = 900 W

t = 20 min \cdot 60 = 1200 s

Therefore the energy consumed is

E=(900)(1200)=1.08\cdot 10^6 J

Therefore, the refrigerator has consumed more energy.

Learn more about power:

brainly.com/question/7956557

#LearnwithBrainly

4 0
3 years ago
Why is it not possible for lightning to strike the same area twice?
Elena L [17]

Explanation:

because once strikes in that area. There's too much energy in that area for it to strike again end. Therefore, it strikes in another area.

6 0
3 years ago
Read 2 more answers
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