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UNO [17]
2 years ago
12

What type of force is needed for motion to occur?

Physics
2 answers:
Svetradugi [14.3K]2 years ago
8 0

Answer:

Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion. These changes are called acceleration

Explanation:

Molodets [167]2 years ago
6 0

Answer:

Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion. These changes are called acceleration

Explanation:

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A 10 kg package is delivered to your house.
kolbaska11 [484]
In ur explanation make sure to use the terms
7 0
2 years ago
A truck covers 47.0 m in 8.60 s while smoothly slowing down to final speed of 2.30 m/s. (a) Find its original speed.
Kruka [31]

Explanation:

Given that,

Distance, s = 47 m

Time taken, t = 8.6 s

Final speed of the truck, v = 2.3 m/s

Let u is the initial speed of the truck and a is its acceleration such that :

a=\dfrac{v-u}{t}.............(1)

Now, the second equation of motion is :

s=ut+\dfrac{1}{2}at^2

Put the value of a in above equation as :

s=ut+\dfrac{1}{2}\times \dfrac{v-u}{t}\times t^2

s=\dfrac{t(u+v)}{2}

u=\dfrac{2s}{t}-v

u=\dfrac{2\times 47}{8.6}-2.3

u = 8.63 m/s

So, the original speed of the truck is 8.63 m/s. Hence, this is the required solution.

8 0
3 years ago
True or false: Scientific models are always built to scale, and are fully functional representations of the product they are tes
vodka [1.7K]

Answer:

False

Explanation:

Scientific models are not always built to scale and may not be fully accurate

3 0
2 years ago
Which layer of the atmosphere is the top layer of the thermosphere?
joja [24]
The thermosphere is a layer of Earth's atmosphere. The thermosphere is directly above the mesosphere and below the exosphere. It extends from about 90 km (56 miles) to between 500 and 1,000 km (311 to 621 miles) above our planet.
8 0
3 years ago
Read 2 more answers
Which kind of pigment reflects two primary light colors and absorbs one?1) primary pigment2) secondary pigment3) complementary p
weqwewe [10]

The primary colors of light are red, blue and green.

There are the pigments like yellow, magenta and cyan that are the mixture of two primary colors.

For example, magenta is a mixture of red and blue color. Thus, it reflects the red and blue color. Also, magneta absorbs the green color.

These type of colors that reflects two primary colors and absorb one color are known as secondary pigments.

Hence, 2nd option is the correct answer.

8 0
8 months ago
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