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viktelen [127]
3 years ago
13

Which type of friction force acts when there is no motion?

Physics
1 answer:
rosijanka [135]3 years ago
3 0
Its called static friction.
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What is an example of an organism that reproduces
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Sea anemones; Coral; Starfish; Some non-flowering plants. Strawberry; Onion; Potato. Mushrooms are an example<span> of asexually </span>reproducing organisms<span>.

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A(n) ? is a premises wiring system whose power is derived from a source of electric energy or equipment other than a service. Su
Evgen [1.6K]

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3 years ago
A ball is thrown straight up from ground level. It passes a 2-m-high window. The bottom of the window is 7.5 m off the ground. T
slamgirl [31]

Answer:

u=14.48m/s

Explanation:

From the question we are told that:

Height of window h=2m

Height of window off the ground h_g=7.5m

Time to fall and drop t=1.3s

 

Generally the Newton's equation motion  is mathematically given by

 s=ut+\frac{1}{2}at^2

Where

h=ut+\frac{1}{2}at^2

2=u1.3-\frac{1}{2}*9.8*1.3^2

2=u1.3-8.281

u=7.91m/s^2  

Generally the Newton's equation motion  is mathematically given by

2as=v^2-u^2

Where

-2gh_g=v^2-u^2

-2*9.8*7.5=(7.91)^2-u^2

-147=62.5681-u^2

u=\sqrt{209.5681}

u=14.48m/s

Therefore the  ball’s initial speed

u=14.48m/s

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2 years ago
In the movie "gravity" - Why did the escape pod get stuck and pulled back?
victus00 [196]

Answer:

because nono gravity

Explanation:

no gravity

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2 years ago
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An electric current always produces a magnetic field that is ______ to the field. A. perpendicular B. parallel C. at a 37° angle
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Answer:perpendicular

Explanation:

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3 years ago
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