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Len [333]
2 years ago
10

sest yourse 1. A pencil lies on the dashboard of a car. a) i) What happens to the pencil when the car suddenly stops? suddenly a

ccelerates​
Physics
1 answer:
julia-pushkina [17]2 years ago
8 0

Answer:

1. the pencil would have the momentum and would keep going until it hits the windshield. 2. when the car suddenly accelerates, the pencil would be inert and it would move toward the back of the car until a constant speed from the car is reached.

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2. Which of the following is an example of work being done on an object? A prism scatters ultraviolet light into visible light.
Liula [17]
A man pushes a couch across the room is the answer!

7 0
3 years ago
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List at least five examples of minerals and their common uses.
GarryVolchara [31]

Answer:

Beryllium

Beryllium is an alkaline metallic element that is highly toxic. It is known for its sugary sweet taste and some of its common uses are in X-rays and fluorescent lights.

Beryllium : A very thorough and technical site about this mineral.

Chromite

Chromite is the ore of chromium and is a very hard metal, and diamond is the only thing harder. This hardness is what allows a chrome finish to take a high polish.

Chromite : This site talks about its history and characteristics.

Cobalt

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Columbite-tantalite

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Columbite-tantalite : Information about its role in the world under the name 'Coltan'.

Copper

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Copper : This site talks about its properties, uses and makeup.

Explanation:

Hope that helps :)

4 0
3 years ago
The magnetic field created around a single wire is _________.
Margarita [4]

Answer:

A

Explanation:

it is weak I hope it helps u have a great day

7 0
3 years ago
Read 2 more answers
Developed countries typically have _______.
Anna35 [415]

Answer:

Good government

Explanation:

Many people will think its natural resources but its not. Africa is a proof. They have resources but leadership is what makes most of their countries 3rd world. #BADGOVERNANCE

8 0
3 years ago
BRAINLEST FOR CORRECT ANSWER PLEASE
Nata [24]

Answer:

Sledgehammer A has more momentum

Explanation:

Given:

Mass of Sledgehammer A = 3 Kg

Swing speed = 1.5 m/s

Mass of Sledgehammer B = 4 Kg

Swing speed = 0.9 m/s

Find:

More momentum

Computation:

Momentum = mv

Momentum sledgehammer A = 3 x 1.5

Momentum sledgehammer A = 4.5 kg⋅m/s

Momentum sledgehammer B = 4 x 0.9

Momentum sledgehammer B = 3.6 kg⋅m/s

Sledgehammer A has more momentum

5 0
2 years ago
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