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babunello [35]
2 years ago
11

Two whistles blow at the same time. The first whistle has a frequency twice that of the second whistle (it is a higher pitch). W

hich sound will reach you first?
Physics
1 answer:
suter [353]2 years ago
7 0

Answer:

the first one

Explanation:

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-) Given that 1 inch = 0.0254 m, 1 mile = 1760 yards and 1 yard = 36 inches. Convert 5
soldier1979 [14.2K]

Answer:

8.04672 KM

Explanation:

5 miles = 5×1760 yards = 8800 yards

8800 yards = 8800×36 inches = 316800 inches

316800 inches = 316800 x 0.0254 m = 8046.72 m

8046.72 m = 8.04672 kilometers

6 0
3 years ago
When the palmaris longus muscle in the forearm is flexed, the wrist moves back and forth. If the muscle generates a force of 43.
zmey [24]

To solve this problem, we must take two important steps. First we will convert all the given units, to international system. Later we will define the torque, which is given as the product between the radius of application of the force and the Force acting on the body. Mathematically the latter is,

\tau = r F

Here,

r = Radius

F = Force

Now the units,

r = 1.95cm = 1.95*10^{-2}m

Replacing,

\tau = (1.95*10^{-2})(43.5N)

\tau = 0.8483N\cdot m

Therefore the torque that the muscle produces on the wrist is 0.85N\cdot m

3 0
3 years ago
A ball rolls off a table with a horizontal velocity of 3 m/s. If it takes 0.3 seconds for the ball to reach the floor, how high
LekaFEV [45]

The height of the table above the ground is 0.45 m.

<h3>Data obtained from the question</h3>

From the question given above, the following data were obtained:

  • Horizontal velocity (u) = 3 m/s
  • Time (t) = 0.3 s
  • Acceleration due to gravity (g) = 10 m/s²
  • Height (h) =?

<h3>How to determine the height </h3>

The height of the table can be obtained by using the following formula:

h = ½gt²

h = ½ × 10 × 0.3²

h = 5 × 0.09

h = 0.45 m

Thus, the height of the table is 0.45 m

Learn more about motion under gravity:

brainly.com/question/26275209

6 0
2 years ago
The revolution of the earth around the sun demonstrate what motion?​
olga2289 [7]

Answer:

Anticlockwise directions

Please mark me Brainliest to help me

3 0
1 year ago
Why is ice harder than liquid water?
yaroslaw [1]
Hello~ 

Ice is harder than liquid water because<span> the molecules of ice are linked more tightly together than the molecules of liquid water. 

Hope this helps! </span>
6 0
3 years ago
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