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Hitman42 [59]
3 years ago
10

What is the unbalanced force on a car moving with a constant velocity of 25 m/s?

Physics
1 answer:
Marta_Voda [28]3 years ago
8 0
The under force is 78m/s.
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The density of water is 1g/cm3. What is this in kg/m3? The density of water is 1g/cm3. What is this in kg/m3? Follow 3 answers 3
Lelu [443]
1 gram per cubic centimeter is equal to 1000 kilograms per cubic meter. Just multiply it with a 1000 and you have your solution.
8 0
3 years ago
The Force of friction between an object and the surface upon which it is sliding is 12N. The weight of the object is 20N. What i
shtirl [24]

Answer: The coefficient of kinetic friction is μ = 0.6

Explanation:

For an object of mass M, the weight is:

W = M*g

where g is the gravitational acceleration: g = 9.8m/s^2

And the friction force between this object and the surface can be written as:

F = W*μ

where μ is the coefficient of friction (kinetic if the object is moving, and static if the object is not moving, usually the static coefficient is larger)

In this case, the weight is:

W = 20N

And the friction force is:

F = 12N

Replacing these values in the equation for the friction force we get:

12N = 20N*μ

(12N/20N) = μ = 0.6

The coefficient of kinetic friction is μ = 0.6

7 0
3 years ago
Read 2 more answers
What is the equivalent resistance of a circuit that contains two 50.0 32
Alex Ar [27]

82ohms

Explanation:

The equivalent resistance in the circuit is 82ohms

Given parameters:

R1 = 50ohms

R2 = 32ohms

Unknown:

Equivalent resistance = ?

Solution:

A resistor is an body in circuit that opposes the flow of electric current.

Resistors are usually connected in circuit and in series arrangement.

When resistors are connected in series, they have the same current passing through them.

Equivalent resistance is the sum of each of the connected resistors

Equivalent resistance = R1 + R2 = 50 + 32 = 82ohms

learn more:

Circuits brainly.com/question/2364338

#learnwithBrainly

6 0
3 years ago
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Which is not true about the variables in the relationship F = ma?
tatuchka [14]

Answer:

A

Explanation:

Because D is definitely true and there is only one false sentence what means if that non of B or C is false because if one is false so other one needs to be too.

8 0
3 years ago
PLEASE HELP!!!!
andrew11 [14]
0.304 cm I think - let me check
6 0
3 years ago
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