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2 years ago

What type of force slows you down as you slide across the floor?

2 answers:

6 0

Answer:
B-Friction

How?
Friction is when two surfaces rub against each other. This creates heat and resistance. It would only make sense that this force would slow you down will sliding across floors

timurjin [86]2 years ago

3 0

Friction can slows you down as you slide across the floor.

Answer: Option B

<u>Explanation:</u>

Every action has an equal and opposite reaction. So when we fall or slide upon a floor, just like resistance opposes the current flowing in the circuit, there is an external force that acts upon when we fall or slide away.

This external force is called as friction. Friction opposes the object making the object slowly decrease its speed and lose energy. Gravity is the force that makes all the objects to return to the earth or ground when thrown upon.

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What is the acceleration if velocity increases from 10 m/s to 15m/s after travelling a distance of 5 metre

Semenov [28]

Answer:

a=1.25m/s²

Explanation:

GIVEN DATA

vi=10m/s

vf=15m/s

S=5m

TO FIND

a=?

SOLUTION

by using third equation of motion

2as=(vf)²-(vi)²

2a(5m)=(15m/s)²-(10m/s)²

10m×a=225m²/s²-100m²/s²

10m×a=125m²/s²

a= $\frac{125}{10}$

a=12.5m/s²

8 0

2 years ago

According to Steinberg, which of the following statements is true about creative people

Dominik [7]

They appreciate art and music

7 0

2 years ago

A small remote controlled car with mass 1.60 kg moves at a constant speed of12.0 m/s in a vertical circle with a radius of 5.0 m

kenny6666 [7]

Answer:

61.76 N.

Explanation:

Given the mass of the car, m = 1.60 kg.

The speed of the car, v = 12.0 m/s.

The radius of the circle, r = 5 m.

As car is moving in circular motion, so net force ( normal force + weight of the car) is equal to centripetal force enables the car to reamins in circular path.

Let N is the normal force.

So, $N - mg = F_c$

$N-mg=\frac{mv^2}{r}$

Now substitute the given values, we get

$N-1.60kg\times9.8m/s^2=\frac{1.60kg\times(12.0m/s)^2}{5.0m}$

$N=15.68+46.08$

N = 61.76 N.

Thus, the magnitude ofthe normal force exerted on the car by the walls is 61.76 N.

5 0

2 years ago

A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the

tatuchka [14]

Answer:

18feet

Explanation:

We need to find the distance,c between the vertex and the focus.

For a vertical parabola:

$y=\frac{0.25}{c}(x-h)^2+k$

#If we place our parabola at the center, the expression changes to:

$y=\frac{0.25}{c}x^2$

The points of the parabola are given as (12,2), substitute in our equation to find c:

$y=\frac{1}{4c}x^2\\\\2=\frac{1}{4c}\times12^2\\\\c=12$

Hence, the receiver should be placed at 18ft

7 0

2 years ago

explain the interaction and roles of electromagnetic force and strong nuclear force in the nucleus of an atom

kenny6666 [7]

Answer:

Gravity holds stars together and keeps us on the ground. The electromagnetic force ensures the stability of atoms and makes chemistry happen. The strong nuclear force holds the kernels of matter, atomic nuclei, together, and powers the burning of stars.

Explanation:

3 0

2 years ago