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expeople1 [14]
4 years ago
5

The fastest animal in the world is the peregrine falcon. It is capable of diving after its prey at an amazing 83.00 meters per s

econd. Use the tiles below to determine how fast this is in miles per hour.
Physics
2 answers:
gregori [183]4 years ago
6 0
1 metre per second = 2.237 miles per hour

so 83 m/sec = 185.666 miles per hour !! ...answer !!

dalvyx [7]4 years ago
5 0

Answer:

The speed of the Peregrine falcon is 185.66 miles per hour.

Explanation:

The speed of the fastest animal, Peregrine falcon, is 83 m/s. We need to find its speed in miles per hour. To convert it from one unit to another, we must see the conversion as :

1 mile = 1609.34 meters

1 hour = 3600 seconds

83\dfrac{m}{s}=\dfrac{83\times (1/1609.34\ miles)}{(1/3600)\ hour}

85\ m/s=185.66\ miles/hour

So, the speed of the Peregrine falcon is 185.66 miles per hour. Hence, this is the required solution.

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7. Two bikes travelling in the same direction move at a speed of 30 km/hr. The bikes are separated by a distance of 5 km. What w
Fantom [35]

Answer:

Explanation:

Call the bike on the right A

Call the bike on the left B

The car begins it's time when it passes A

4 minutes later, it passes B.

But B has moved in 4 minutes and that is the key to the problem.

How far has B moved.

t = 4 minutes = 4/60 hours = 1/15 of an hour.

d = ?

rate = 30 km / hr

d = r * t

d = 30 km/hr * 1/15 hours = 2 km

The distance between the bikes is 5 km.

So the car has traveled 5 - 2 = 3 km

d = 3 km

r = ?

t = 4 minutes = 1/15 hour

r = d/t = 3/(1/15)= 3 / 0.066666666  = 45 km/hr.

6 0
4 years ago
Do you want robot referees in your favorite class?
jeka94

Answer:

Sounds cool.. but what do they do?

Explanation:

5 0
3 years ago
Read 2 more answers
In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (inclu
Darya [45]

Answer:

Explanation:

When the number of slits increases, the intensity of fringes increases.

So, the fringes appear to be more bright.

As we know that the fringe width is inversely proportional to the number of slits, so as the number of slits increases, the fringe width decreases, hence the fringes are narrower, bright and close together.

7 0
3 years ago
A box is sliding down an incline tilted at a 12° angle above horizontal. The box is initially sliding down the incline at a spee
OLga [1]

Answer:

The box will cover a distance of 0.9199m before coming to rest

Explanation:

We are given;

Angle of tilt; θ = 12°

Speed of sliding down; u = 1.5 m/s

Coefficient of kinetic friction; μ = 0.34

We are told that the box is sliding down an incline tilted at a 12° angle above horizontal.

Thus,

The components of the weight of the block would be;

Fx = mg sinθ = mg sin 12

Fy = mg cosθ = mg cos 12

For, the normal force on the block, it will be counter balanced by the Y component of weight of block and so we have;

Normal force; Fn = mg cos 12

Now formula for the frictional force would be given by;

Ff = μmg cos 12

So, Ff = 0.34mg cos 12

So, the net force along the inclined plane is;

Fnet = Fx - Ff

Fnet = mg sin 12 - 0.34mg cos 12

Where Fnet = mass x acceleration.

Thus;

ma = mg sin 12 - 0.34mg cos 12

m will cancel out to give;

a = g sin 12 - 0.34g cos 12

a = 9.81(0.2079) - 0.34(9.81 × 0.9781)

a = -1.223 m/s²

According to Newton's equation of motion, we have;

(v² - u²) = 2as

s = (v² - u²)/2a

Final velocity is zero. Thus;

s = (0² - 1.5²)/(2 × -1.223)

s = -2.25/-2.446

s = 0.9199 m

Thus, the box will cover 0.9199m before coming to rest

4 0
4 years ago
In art, the material used by an artist to create a work of art is called the ___________.
kotykmax [81]
Answer - D = medium
6 0
4 years ago
Read 2 more answers
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