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zepelin [54]
3 years ago
10

Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

Physics
2 answers:
Viktor [21]3 years ago
7 0
Mach 5. Mach 1 is defined as the speed of sound. The number after “Mach” is the multiplier. So Mach 5 is 5x the speed of sound.
vichka [17]3 years ago
5 0

I just had this question, the correct answer is March 5

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zalisa [80]

Answer:

C

Explanation:

6 0
3 years ago
A glider is gliding through the air at a height of 416 meters with a speed of 45.2 m/s. The glider
julia-pushkina [17]

There's not enough information to find an answer.

I think the idea here is that in descending (416 - 278) = 138 meters,
the glider gives up some gravitational potential energy, which
becomes kinetic energy at the lower altitude.  This is all well and
good, but we can't calculate the difference in potential energy
without knowing the mass of the glider.

3 0
3 years ago
What do you need to make 100 minutes charges neutral
Maru [420]
Neutrons are neutral<span> and </span>do<span> not </span>have<span> any </span>charge<span> at all. Protons carry a positive </span>charge<span>, and electrons carry the negative </span><span>charge.</span>
4 0
2 years ago
Which statement about the horizontal distance covered by a projectile launched at an angle less than 90° is true?
mylen [45]
<h2>Answer: A</h2>

Explanation because the distance covered is equal time intervals is the same or equal.

5 0
3 years ago
Read 2 more answers
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. A defibrillator passes 18 A of
miskamm [114]

Answer:

q = 0.036 C

Explanation:

Given that,

Current passes through a defibrillator, I = 18 A

Time, t = 2 ms

We need to find the charge moved during this time. We know that,

Electric current = charge/time

q=It

Put all the values,

q=18\times 0.002\\\\q=0.036\ C

So, 0.036 C of charge moves during this time.

8 0
2 years ago
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