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padilas [110]
4 years ago
11

A unit of mass is ??

Physics
1 answer:
Effectus [21]4 years ago
3 0
Hello,

Answer: kilogram

Further explaining: in science is used to measure weight of an object and used for accreditation.
Hope this helps!

You might be interested in
Two electrons exert a force of repulsion of 1.2 N on each other. How far apart are they? The elementary charge is 1.602 × 10−19
aleksandr82 [10.1K]

Answer:

The answer to your question is distance between these electrons

                                                   = 1.386 x 10⁻¹⁴ m

Explanation:

Data

Force = F = 1.2 N

distance = d = ?

charge = q₁ = q₂ = 1.602 x 10⁻¹⁹ C

K = 8.987 x 10⁹ Nm²/C²

Formula

-To solve this problem use the Coulomb's equation

  F = kq₁q₂ / r²

-Solve for r²

  r² = kq₁q₂ / F

-Substitution

  r² = (8.987 x 10⁹)(1.602 x 10⁻¹⁹)(1.602 x 10⁻¹⁹) / 1.2

- Simplification

  r² = 2.306 x 10⁻²⁸ / 1.2

  r² = 1.922 x 10⁻²⁸

-Result

  r = 1.386 x 10⁻¹⁴ m

7 0
4 years ago
A circuit has an impedance of 5 ohms and a voltage of 100 volts. What is the current flow?
Ket [755]

A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.

The expression of an electronic component, circuit, or system's resistance to alternating and/or direct electric current is called impedance, indicated by the letter Z. Resistance and reactance are two distinct scalar (one-dimensional) phenomena that combine to form impedance, a vector (two-dimensional) variable.

Z^{} = \frac{V}{I}

(for a pure resistor where Z=R,preserving the form of the DC Ohm's law).

I=\frac{V}{Z}

I = \frac{100}{5}

I = 20 A

Therefore, A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.

Learn more about  impedance here;

brainly.com/question/2263607

#SPJ4

6 0
2 years ago
Pablo rode a skateboard up a ramp for a distance of 3.8 m. If the ideal mechanical advantage of the ramp is 2, how far above the
Vika [28.1K]
The answer is 1.9 m

The ideal mechanical advantage (IMA) is the ratio of input distance (ID) to output distance (OD):
IMA = ID/OD
IMA = 2
ID = ramp length = 3.8 m
OD = height = ?

2 = 3.8m/OD
OD = 3.8/2
OD = 1.9 m
4 0
3 years ago
Sophie applies a 50 n force to push a box 2 meter across the floor calculate the smount of work done in the box
kicyunya [14]
Work done = force x distance

Work done = 50 x 2

Work done = 100J
4 0
3 years ago
Liam is two-years old. His mother is concerned about his behavior. Liam is very different from how his sister Briana was when sh
slavikrds [6]

Answer:

Autism

Explanation:

Those are some symptoms of autism that you described

5 0
3 years ago
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