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Alexus [3.1K]
2 years ago
6

If a wave were nine feet high, how much would the amplitude be?

Physics
2 answers:
Vinil7 [7]2 years ago
3 0

'D. 18 feet' sounds right

kotykmax [81]2 years ago
3 0

B. 4.5 feet is the correct answer

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You are driving at the speed of 27.7 m/s (61.9764 mph) when suddenly the car in front of you (previously traveling at the same s
densk [106]

Here when car in front of us applied brakes then it is slowing down due to frictional force on it

So here we can say that friction force on the car front of our car is given as

F_f = \mu m g

So the acceleration of car due to friction is given as

F_{net} = - \mu mg

a = \frac{F_{net}}{m}

a = -\mu g

now it is given that

\mu = 0.868

g = 9.81 m/s^2

so here we have

a = -0.868 * 9.81

a = -8.52 m/s^2

so the car will accelerate due to brakes by a = - 8.52 m/s^2

4 0
3 years ago
A(n) _____ satellite system employs many satellites, each in an orbit at an altitude of less than 1,000 miles.
vlabodo [156]

Answer:

The correct answer is a Low earth orbit.

Explanation:

A low earth orbit can be understood as an earth orbit with an altitude of 1,000 miles or less. It is a satellite sustem that employs many satelites, in fact, most man-made objects that are currently in outer-space are part of this low earth orbit. (LEO).

The most famous LEO satellite system is the one from planet earth. Almost every space flight that human beings have ever done are done in LEO, and every spacial station is located in this zone.

In conclusion, A low earth orbit satellite system employs many satellites, each in an orbit at an altitude of less than 1,000 miles.

4 0
3 years ago
Read 2 more answers
what process do plants use to recycle carbon compounds in the air to make energy and emit oxygen as a by-product​
Zina [86]

Answer:

Photosynthesis

Explanation:

4 0
3 years ago
Read 2 more answers
Sally is trying to lift a heavy box, but is not strong enough to lift it.  Would the force that she is applying to the box be an
mestny [16]
If you give it unbalanced force it would go up and if you can't give it enough it will stay a balanced force
 
3 0
2 years ago
The Kentucky Derby is held at the Churchill Downs track in Louisville, Kentucky. The track is one and one-quarter miles in lengt
Lera25 [3.4K]

Answer:

2.815 seconds

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

s=ut+\frac{1}{2}at^2\\\Rightarrow 1609.34=16.58\times t+\frac{1}{2}\times 0.0105\times t^2\\\Rightarrow \\\Rightarrow 4.905t^2+16.58t-1609.34=0

t=\frac{-16.58+\sqrt{308.69254}}{0.0105},\:t=\frac{-16.58-\sqrt{308.69254}}{0.0105}\\\Rightarrow t=94.25, -3252\ s

Time taken with the acceleration is 94.25 seconds

Time = Distance / Speed

\text{Time}=\frac{1609.34}{16.58}\\\Rightarrow \text{Time}=97.065\ s

Difference in time = 97.065-94.25 = 2.815 seconds

6 0
3 years ago
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