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Leno4ka [110]
4 years ago
10

Can the momentum of an object change

Physics
2 answers:
OlgaM077 [116]4 years ago
8 0
The answer for this is yes.
Irina18 [472]4 years ago
3 0
Yes it can. 


Hope this helps!
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A car traveling south is 200 kilometers from its starting point after 2 hours. What is the average velocity of the car? (OP A. 1
Sergeu [11.5K]

Answer:

A

Explanation:

take note that v=d/t (velocity is distance over(divided by) time, so in this case it would be 200 (distance) divided by 2 (time)

6 0
3 years ago
3.) A 20cm long tube has an inner diameter of 0.85cm and an outer
IceJOKER [234]

Answer:

The answer is below

Explanation:

The resistance of a conductor (R) is given by:

R=\frac{\rho L}{A}\\\\where\ L \ is\ the\ conductor\ length\ and \ A\ is\ the\ cross\ sectional\ area and ρ is resistivity

The length = 20cm = 0.2 m

The tube has an outer diameter of 1.1 cm (0.011 m), hence the outer area is:

A₁ = π * diameter²/4 = π * 1.1²/4 = 0.000095 m²

The tube has an inner diameter of 0.85 cm (0.0085 m), hence the inner area is:

A₂ = π * diameter²/4 = π * 0.0085²/4 = 0.0000567 m²

The conductor area = outer area - inner area = 0.000095 m² - 0.0000567 m² = 0.0000383 m²

Hence, the resistance is:

R=\frac{\rho L}{A} =\frac{1.7*10^{-8}*0.2}{0.0000383}=0.00009\ ohm

7 0
3 years ago
What do these weapon stats mean?
kaheart [24]

Answer:

its sort of like how Pounds are measured in lbs

Explanation:

Pounds are measured in lbs when they dont sound anything similar, same thing applies to gun technology.

5 0
3 years ago
Which statement is true regarding the circuit schematic below?
asambeis [7]

C. This is a direct current

<h3></h3><h3>What is schematic Current?</h3>

An electrical schematic is a diagram that shows how all of the wires and components in an electronic circuit are connected.

The ability to read electrical schematics is a really useful skill to have. To start developing your schematic reading abilities,

it’s important to memorize the most common schematic symbols.

Each physical component (i.e resistor, capacitor, transistor) has a unique schematic symbol.

Learn more about Schematic current:

brainly.com/question/15193719

#SPJ1

4 0
2 years ago
A runner starts from rest and stops in 12 seconds. He covers
Schach [20]

Answer:

b 1.39 m/s²

Explanation:

Given the following data;

Time = 12 seconds

Distance, S = 100 m

Since it's starting from rest, the initial velocity is equal to 0m/s.

To find the acceleration, we would use the second equation of motion;

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

Where;

S represents the displacement or height measured in meters.

u represents the initial velocity measured in meters per seconds.

t represents the time measured in seconds.

a represents acceleration measured in meters per seconds square.

Substituting into the equation, we have;

100 = 0(12) + ½*a*12²

100 = 0 + 72

100 = 72a

Acceleration, a = 100/72

Acceleration, a = 1.389 ≈ 1.39 m/s²

6 0
3 years ago
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