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borishaifa [10]
3 years ago
5

Why does a skateboard coasting on a flat surface slow down and eventually comes to a stop

Physics
2 answers:
Maurinko [17]3 years ago
5 0

It depends on what skateboard. It will stop mainly because some  skateboards need a hill or curvy platform to function.

AveGali [126]3 years ago
5 0
The skateboard will slow down because of kinetic and static friction. Kinetic friction will cause it to slow down while it’s moving. It will eventually slow down to a point that its velocity can’t overpower the static friction, and it will stop.
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A car traveling at 50 m/s comes to a stop in 5 seconds. What is the<br> acceleration of this car?
Alexandra [31]

Answer:10

Explanation:

You have to do speed divided by time so your answers 10

4 0
2 years ago
A drag racer starts her car from rest and accelerates at 5.5 m/s2 for the entire distance of 523 m. How long did it take the car
ANEK [815]

Answer:

t = 13.7 s or t = 14 s with proper significant figures

Explanation:

The initial speed is 0 m/s since the car starts from rest, acceleration is 5.5 m/s2 and distance is 523 m.

Since we have initial speed, acceleration and distance we can use the following formula to find the time. We can now use algebra to work out our answer.

d = vt + \frac{1}{2}at²

523 = (0)t + (\frac{1}{2})(5.5)t²

523 = 2.8t²

186.8 = t²

13.7 s = t

(t = 14 s with proper significant figures)

3 0
2 years ago
g a stone with mass m=1.60 kg IS thrown vertically upward into the air with an initial kinetic energy of 470 J. the drag force a
otez555 [7]

Answer:

Height reached will be 28.35 m

Explanation:

Here we can use the work energy theorem to find the maximum height

As we know by work energy theorem

Work done by gravity + work done by friction = change in kinetic energy

-mgh - F_f h = 0 - \frac{1}{2}mv_i^2

now we will have

-1.60(9.8)(h) - 0.900(h) = - 470

-16.58 h = -470

h = 28.35 m

so here the height raised by the stone will be 28.35 m from the ground after projection in upward direction

5 0
3 years ago
Suzie Spacewalker hovers in space beside a rotating space station in outer space. Both she and the center of mass of the space s
Inga [223]

Answer:

is in the earths orbit

Explanation:

for Suzie to hover in space beside the rotating space station, she and the center  of mass of the space station are at relative rest which happens when space station is in Earth orbit, hence she is  in the earths orbit.

3 0
3 years ago
4.
tatiyna
The answer is A. A folkway is a closely held belief by a specific group of people.
6 0
3 years ago
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