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4 years ago

7

What is the difference between a spring and a stream?

1 answer:

Lena [83]4 years ago

3 0

<span>A spring is water coming from under the ground to the surface of the earth and a stream is water that is running along the ground through a trench like place on earth down a hill or steep a area.</span>

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If a car has a mass of 1,000 kilograms, and a velocity of 35 m/s. What is its momentum?

fenix001 [56]

$\vec{p}=m\vec{v}\\p = 1000 * 35=35000[\frac{kg*m}{s}]$

7 0

3 years ago

15 points. give me the method.

AveGali [126]

Answer:

$\boxed{{160 \: m(s)}^{ - 1} }$

Explanation:

$if \:the \: frequencies \: are \to \\ f_{1} = 640Hz \\ and \\f_{2} = 480Hz \: \\ but \: \boxed{v = f \gamma }: f = \frac{v}{ \gamma } \\ if \: \gamma_{1} - \gamma _{2} = 1 = \gamma \\ f_{1} - f_{2} = 640 - 480 = \boxed{ 160Hz} = f \\ v = f \gamma = 160 \times 1 = \boxed{{160 \: m(s)}^{ - 1} }$

5 0

3 years ago

What is the difference in electrical potential energy between two places in an electric field?

Phoenix [80]

Answer: Option (c) is the correct answer.

Explanation:

The difference in electrical potential energy between two places in an electric field is known as potential difference.

Mathematically, potential difference between two given points can be written as follows.

$\Delta V = V_{2} - V_{1}$

where, $\Delta V$ = potential difference

$V_{1}$ = potential at point 1

$V_{1}$ = potential at point 2

4 0

3 years ago

Read 2 more answers

A example of using a muscular strength?

DIA [1.3K]

An example of using muscular strength would be doing things like lifting weights and things like that.

7 0

3 years ago

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A motorcycle moving at 18 m/s decelerates at a rate of 3.6 m/s². What is the car's

Gekata [30.6K]

Answer:

V = 3.6 m/s

Explanation:

Given:

V₀ = 18 m/s

a = - 3,6 m/s² (The motorcycle is slowing down!)

t = 4 s

____________

V - ?

Motorcycle speed:

V = V₀ + a·t

V = 18 + (-3.6)·4 = 3.6 m/s

5 0

1 year ago