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2 years ago

One of Newton's laws uses the equation F= ma. Which statement describes.

Physics

2 answers:

Romashka [77]2 years ago

6 0

The answer is D

Because this is newton’s second law of motion or law of acceleration and this equation show that the force and the mass are directly proportional so when the mass increases the force also increases. Please like my answer :)

Over [174]2 years ago

3 0

Answer:

D. It takes more force to move something that has more mass.

Explanation:

In the equation force and mass are directly related, so more mass means more force needed.

Think about this, you are applying 10 N force to move a car vs a tiny box. Which will move faster? From your experience, you know that light things move faster thus your box will move faster than car. Thus, to move something like car you will need more force.

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A block starting from rest slides down the length of an 18 plank with an acceleration of 4.0 meters per second. How long does th

Snowcat [4.5K]

Answer:

$\boxed{\text{\sf \Large 3.0 s}}$

Explanation:

Use distance formula

$\displaystyle d=ut+\frac{1}{2} at^2$

$u= \text{\sf initial velocity}\\d= \text{\sf distance}\\a= \text{\sf acceleration}\\t= \text{\sf time taken}$

$\displaystyle 18=0 \times t+\frac{1}{2} \times 4 \times t^2$

$t=3$

4 0

3 years ago

so i had to work for halloween, my first Halloween working. When i got home my lil bro showed me all the candy he collected so i

Mrrafil [7]

Answer:

now that's a sweet little bro

4 0

3 years ago

Read 2 more answers

Compare the strengths of UV light and microwaves (in Hz). Which type of light is more powerful and how do you know?

TEA [102]

Answer:

UV light is more powerful as it has greater energy.

Explanation:

The energy propagated by electromagnetic waves ( light ) through vacuum or medium is known as electromagnetic radiation.

The frequency/wavelength range of electromagnetic radiation is known as electromagnetic spectrum. The electromagnetic spectrum ranging from gamma ray to radio waves.

Frequency range of UV light = ( 8 x 10¹⁴ to 3 x 10¹⁶ ) Hz

Frequency range of Microwaves = ( 300 x 10⁶ to 300 x 10⁹ ) Hz

Ratio of UV light to Microwaves = ( $\frac{8\times10^{14} }{300\times10^{6} }$ to $\frac{3\times10^{16} }{300\times10^{9} }$ )

= ( 2.66 x 10⁶ to 1 x 10⁸ )

Energy of electromagnetic radiation is given by the relation:

E = hν

Here h is plank's constant and ν is frequency.

UV light is more powerful than Microwaves as frequency of UV light is greater than frequency of microwaves. Thus, by the above equation, the energy of UV light is more than energy of Microwaves.

5 0

4 years ago

Please someone do this <br>please

monitta

The various contributions involved till the chapati is made is given below.

The substance that we intake for the body to charge up by giving nutrients is called the food.

Wheat is a staple food. We make chapati from flour obtained from the wheat grains.

The various contributions involved till the chapati is made is given below.

Take required amount of atta in a container

↓

Add water accordingly to form a dough

↓

Apply oil to make dough smooth for long time

↓

Take small dough, make it a ball shaped and apply dry flour

↓

Roll it using rolling pin on the chapati maker plate

↓

After making it circular or any shape you want, place it on hot tawa

↓

Bake it on both the sides

↓

Chapati is ready

Thus, the flow chart is made.

Learn more about food.

brainly.com/question/16327379

#SPJ1

6 0

2 years ago

Complete the sentences to describe the difference between speed and velocity.

xeze [42]

Answer:

velocity =displacement/time

and speed =distance/time

6 0

3 years ago