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kumpel [21]
3 years ago
12

5. A car accelerates from rest down a highway at 6 m/s2 for 5 seconds. What distance did the car travel during acceleration?

Physics
1 answer:
Mumz [18]3 years ago
5 0

Answer:

75 m

Explanation:

The distance x for a uniform acceleration is given by the equation:

x = \frac{1}{2}at^{2}+v_ot+x_o

The given values are:

a = 6 m/s², t = 5 s, v₀ = 0, x₀ = 0

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4 years ago
A force is acting on a 3-kg object during 5 seconds. If the object initially has a speed of 1.5m/s and after applying the force
uranmaximum [27]

Answer:

1.5 N

Explanation:

You've left us to guess what the question is. I will Assume it is what's the force?

Givens

m = 3 kg

vi = 1.5 m/s

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Formula

F = m * (vf - vi)/t

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3 years ago
A large cube has a mass of 25kg. It is being acclerated
soldier1979 [14.2K]

Answer:

p= 400.29N ........the horizontal force

Explanation:

Given data

mass=25 kg

small cube mass mass=4 kg

Us (The Coefficient of static b/w two cubes) = 0.71

to find

The horizontal force to keep the small cube  from sliding downward

Solution

F=ma.........................from Newton Second law

Where F=force

a=acceleration

m=mass

we can write equation in form of acceleration  

a=F/m

The acceleration on small box is same as that on the large box.

Let P be force to find.

then:

a=p/(25kg+4kg)

a=p/(29kg)m/s²

The force acting on small box:

F=ma

f=4*(p/29)N........................normal force

friction force= Us*(normal force).........where Us is coefficient of static friction.

friction force= 0.71*(4*p/29)

Now to find weight

weight= mg

weight= 4*9.8

for the object(small box) not to slide down the friction force b/w the two objects have to be exactly the same as the weight of the object.

0.71*(4*p/29)=4*9.8

solving for p(force)

p= 400.29N ........the horizontal force

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4 years ago
A house is maintained at 1 atm and 24°C. Outdoor air at 5.5°C infiltrates into the house through the cracks and warm air inside
Lunna [17]

Answer:

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Explanation:

512212njun][[]

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