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OLEGan [10]
3 years ago
15

A person takes a trip, driving with a constant speed of 99.5 km/h, except for a 26.0-min rest stop. The person's average speed i

s 73.6 km/h. a) How much time is spent on the trip? (in h) b) How far does the person travel? (in km)

Physics
1 answer:
Korvikt [17]3 years ago
7 0

Answer:

1.65 h

121.39 km

Explanation:

Given that

speed of the driver, v = 99.5 km/h

time spent resting, t = 26 min

Average speed of the driver = 73.6 km/h

check attachment for calculation and how I arrived at the answer

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A tank whose bottom is a mirror is filled with water to a depth of 19.6 cm. A small fish floats motionless a distance of 6.40 cm
ANEK [815]

Answer:

A. 4.82 cm

B. 24.66 cm

Explanation:

The depth of water = 19.6 cm

Distance of fish  = 6.40 cm

Index of refraction of water = 1.33

(A). Now use the below formula to compute the apparent depth.

d_{app} = \frac{n_{air}}{n_{water}} \times d_{real} \\= \frac{1}{1.33} \times 6.40 \\= 4.82 cm.

(B). the depth of the fish in the mirror.

d_{real} = 19.6 cm + (19.6 cm – 6.40 cm) = 32.8 cm

Now find the depth of reflection of the fish in the bottom of the tank.

d_{app} = \frac{n_{air}}{n_{water}} \times d_{real} \\d_{app} = \frac{1}{1.33} \times 32.8  = 24.66\\

4 0
3 years ago
What form of energy transforms to what other form when you turn on a steam iron?​
frosja888 [35]

Answer:

Electrical energy to thermal energy

Explanation:

The form of energy transforms to what other form when you turn on a steam iron is the conversion of Electrical energy to thermal energy

8 0
3 years ago
) a 1.0 kilogram laboratory cart moving with a velocity of 0.50 meter per second due east collides with and sticks to a similar
ZanzabumX [31]
Momentum would be the same before and after the collision
 Before the collision:
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 After the collision
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 1 * 0.25 + 1 * 0.25 =
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 answer
 the same before and after the collision
4 0
4 years ago
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Mice21 [21]

What grade is this?

I know this is not an answer, but I need to know to help you.


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jasenka [17]

Answer:

answer on the google

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