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m_a_m_a [10]
2 years ago
10

What simple machines are used to create the shovel?

Physics
2 answers:
ValentinkaMS [17]2 years ago
7 0
Hey there!

To start off, a shovel would be something that can help you to left things up and to carry them to another location.

You would need a <em>lever.</em>

And you would also need a <em>wedge.</em>

Just by using these both things, this can allow for you
to use a shovel properly.

Hope this helps.
~Jurgen


svetlana [45]2 years ago
4 0
A shovel would classify as choice (A) because the head of the shovel is the wedge while the body of the shovel is the lever 
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Which statement best describes the motion of air particles in a sound wave?
Elodia [21]

Answer:

The answer is D.

Explanation:

They vibrate parallel to the wave.

During the propagation of a sound wave in air, the vibrations of the particles are most accurately represented as longitudinal. Longitudinal waves are waves in which the motion of the individual particles of the medium occurs in a direction that is parallel to the direction of energy transmission.

8 0
2 years ago
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I need c only please answer it
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It will be moving at high speeds
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5 0
3 years ago
estimate the force that a cyclist travelling at 6m/s needs to apply to the brakes to bring the bicycle to a stop in a distance o
RSB [31]

v1 = 6m/s

v2 = 0

∆v = v1 - v2 = 6m\s

s = t * v = 15m

t = s\v1 = 15(m) \ 6(m\s) = 2.5s

a = ∆v\t = 6(m\s) \ 2.5s = 2.4m\s2

a = F\m = 2.4m\s2

F = a * m = 2.4m\s2 * ?kg

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4 0
3 years ago
A highway patrolman traveling at the speed limit is passed by a car going 20 mph faster than the speed limit. After one minute,
Oksi-84 [34.3K]

Answer:

It will take 40 seconds to catch the speeding car

Explanation:

Initial speed of the patrolman = 55 mph

after one minute speed of patrol man = 115 mph

now acceleration of patrolman is given by

a = \frac{v_f - v_i}{t}

a = \frac{115 - 55}{1/60} = 3600 m/h^2

now at this acceleration the distance covered by patrolman in "t" time is given as

d = v_i t + \frac{1}{2}at^2

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now we know the speed of the speeding car is given as

v' = (55+20) mph

now in the same time distance covered by it

d = 75 t

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75 t = 55t + 1800 t^2

t = \frac{20}{1800} = \frac{1}{90} h

t = 40 seconds

7 0
3 years ago
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