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zzz [600]
3 years ago
14

If a laboratory fire erupts, immediately is it A. Notify your instructor. B. Run for the fire extinguisher or C. Throw water on

the fire. D. Open the windows.
Physics
1 answer:
drek231 [11]3 years ago
8 0

Answer:

b

Explanation:

if there is a fire there is no time to waist

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In the absence of air friction, an object dropped near the surface of the Earth experiences a constant acceleration of about 9.8
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to move a heavy object, like a refrigerator which one of the following would not help to decrease the friction force?
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4 years ago
Read 2 more answers
Your car is stalled in the middle of a large patch of ice (assumed to be frictionless). You have a friend that has thrown a rope
Gnoma [55]

Answer:

The time depends on the distance that they have to travel

x(t) = \frac{0.3846t^{2} }{2}

Explanation:

The only horizontal force exerts over the car and you, it is the force that your friend is applied

Newton's Second Law of Motion defines the relationship between acceleration, force, and mass, thus

\sum{F} = ma

        550 = 1430a

            a = 0.3846 m/s2

             

The car and you have a motion under constant acceleration, then theirs position to a time-based is:

x(t) = x_{0} + v_{0}t +\frac{at^{2} }{2}

By the initial conditions

x(t) = \frac{at^{2} }{2}

x(t) = \frac{0.3846t^{2} }{2}

The time depends on the distance that they have to travel  

7 0
4 years ago
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