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Alekssandra [29.7K]
3 years ago
13

3. A car travelling at 20. m/s stops in a distance of 40. m. What is its

Physics
1 answer:
KIM [24]3 years ago
4 0

Answer:

It was a joke i was getting the answer

Explanation:

Be percent karen

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One complete expression of a waveform beginning at a certain point, progressing through the zero line to the wave’s highest (cre
elixir [45]

Answer:

wavelength.

Explanation:

One complete expression of a waveform beginning at a certain point, progressing through the zero line to the wave’s highest (crest) and lowest (trough) points, and returning to the same value as the starting point is called a is called wavelength. Its can be also defined as the distance between two successive crests or trough points in wave form.

4 0
3 years ago
How much work, in Joules, is required to stop a 1,168 kg car moving with a speed of 24 km/hr?
ANEK [815]
24km/hour=(20/3)m/s
Hence, W=1/2*1168kg*[(20/3)/m/s]^2=25955.56J

6 0
2 years ago
How might scientists knowledge and monoculture farming effect societal decisions
Vesna [10]
This was given in our Chemistry subject so fortunately I hope this helps.

In mono culture farming, they produce a single specie of a livestock or plant in large number or quantity.

Yes it is very effective but producing a mass number of a single organism in a specific area will risk of endangering the existence of a certain and specific nutrient - this is because that large number of organism is basically eating the same thing.

This will actually lead to societal decision such as the founding of The Livestock conservancy and other environmental protection organization
4 0
3 years ago
Read 2 more answers
44. The maximum horizontal distance a boy can throw a ball is 50 m. Assume he can throw with the same initial speed at all angle
tensa zangetsu [6.8K]

The maximum height reached by the ball thrown by the boy is determined as 12.5 m.

<h3>Angle of the projection</h3>

The angle of projection of the ball is calculated as follows;

R = u²sin2θ/g

  • at maximum range, θ = 45 degrees

50 =  u²/9.8

u² = 50 x 9.8

u² = 490

u = 22.14 m/s

<h3>Maximum height of the ball</h3>

H = u²sin²θ/2g

H = (22.14² x (sin45)²)/(2 x 9.8)

H = 12.5 m

Thus, the maximum height reached by the ball thrown by the boy is determined as 12.5 m.

Learn more about maximum height here: brainly.com/question/12446886

#SPJ1

5 0
2 years ago
Which pair of concepts are closely related?
Paha777 [63]
I believe it’s c but I don’t really know but here is why gravity is also a part of friction or that is at least what I was told
8 0
3 years ago
Read 2 more answers
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