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lidiya [134]
2 years ago
7

How far will a squirrel move is it has an average speed of 0.5 m/s and moves for 45 seconds?

Physics
1 answer:
butalik [34]2 years ago
5 0

Answer:

22.5meters

Explanation:

Step one:

Given data

Average speed = 0.5 m/s

time = 45 seconds

Required

The distance covered

Step two:

From Speed= distance/time

Distance= speed*time

Distance= 0.5*45

Distance= 22.5meters

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Two trains are traveling on the same track and in the same direction. The first train, which is behind the second train, blows a
Andrews [41]

Answer:

37.545 m/s

Explanation:

f' = Actual frequency of horn = 269 Hz

f = Observed frequency of horn = 290 Hz

v = Speed of sound in air = 343 m/s

v_0 = Speed of second train = 13.7 m/s

v_s = Speed of first train

From Doppler effect we have

f=f'\dfrac{v-v_0}{v-v_s}\\\Rightarrow v_s=v-\dfrac{f'}{f}(v-v_0)\\\Rightarrow v_s=343-\dfrac{269}{290}(343-13.7)\\\Rightarrow v_s=37.545\ m/s

The speed of the first train is 37.545 m/s

5 0
3 years ago
Which statement best describes the type of magnetism generated by attaching a wire to a battery and wrapping the wire around an
Mazyrski [523]
It only occurs when there is an electric current
4 0
3 years ago
The distance traveled by a wave during a single period is
White raven [17]
I think it's wavelength
Hope I helped.
7 0
3 years ago
List down all the jovian planets in order of increasing distance from the sun
Olenka [21]

Answer:

There are total eight planets in the solar system and the average distance from the sun to each planet in increasing order is given below.

Explanation:

The average distance from the sun is listed below in increasing order.

1. Mercury  - It is the most closet planet to Sun, 57 million km

2. Venus  - 108 million km

3. Earth  - 150 million km

4. Mars  - 228 million km

5. Jupiter  - 779 million km

6. Saturn  - 1.43 billion km

7. Uranus  - 2.88 billion km

8. Neptun - It is the most farthest from the Sun, 4.50 billion km

8 0
3 years ago
a 700k/g race car slowed down from 30m/s to 15m/s what is the impulse and what was the average force applied by the brakes
posledela
So impulse is a change in momentum.

Mass*(final velocity - initial velocity)

I dont think you will be able to find the average force with the given info because you need to know the time it takes for the car to slow down.
5 0
3 years ago
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