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Step2247 [10]
3 years ago
8

What is this question

Physics
2 answers:
tester [92]3 years ago
5 0

Answer:

nopeeeeeeeeee. false

FinnZ [79.3K]3 years ago
5 0

Answer:

True

Explanation:

Ectomorph is when you have trouble gaining weight, but Mesomorph is when it is easy to gain weight and muscle

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yes

Explanation:

Slushy snow can increase hydroplaning risk

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3 years ago
What does FCCLA stand for?
professor190 [17]
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<em><u /></em>

<em><u>Resultant velocity is the vector sum of all given individual velocities. Velocity is a vector because it has both speed and direction. There are many ways to calculate vector sums, such as using a vector addition diagram, but using trigonometry to calculate vector components is usually more efficient.</u></em>

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3 years ago
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IrinaVladis [17]
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5 0
3 years ago
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A net force of –8750N is used to stop of 1250.kg car travelling 25m/s. What braking distance is needed to bring the car to a hal
Karolina [17]

Answer:

d = 44.64 m

Explanation:

Given that,

Net force acting on the car, F = -8750 N

The mass of the car, m = 1250 kg

Initial speed of the car, u = 25 m/s

Final speed, v = 0 (it stops)

The formula for the net force is :

F = ma

a is acceleration of the car

a=\dfrac{F}{m}\\\\a=\dfrac{-8750}{1250}\\\\a=-7\ m/s^2

Let d be the breaking distance. It can be calculated using third equation of motion as :

v^2-u^2=2ad\\\\d=\dfrac{v^2-u^2}{2a}\\\\d=\dfrac{0^2-(25)^2}{2\times (-7)}\\\\d=44.64\ m

So, the required distance covered by the car is 44.64 m.

4 0
3 years ago
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