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Elena-2011 [213]
2 years ago
11

10. Josie and Trey were working on their physics project and both built catapults. Trey's catapult shot a ball

Physics
1 answer:
SVEN [57.7K]2 years ago
3 0

Answer:

Josie's ball faster than T

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some people agree that wearing seat belts reduces the risk of injurt to people in the car. however they say that the risk to oth
leva [86]

Answer:

It would be hard to test scientifically since it's subjective and can only be proven true if you conducted some experimentations and observations.

4 0
3 years ago
Name two important differences between light waves and sound waves
emmasim [6.3K]

Answer:

1. Light is electromagnetic waves while sound is mechanical.

Light wave is transverse and sound is longitudinal.

Explanation:

2.

<i = <r

3.

when distance between source and obstacle and distance between obstacle and screen is finite then the diffraction is fresnal diffraction

when distance between source and obstacle and distance between obstacle and screen is infinite then the diffraction is Fraunhofer's diffraction

8 0
3 years ago
Mention two similarities of citizen and aliens​
lesantik [10]

Answer:

The main points of difference between a citizen and alien are: (a) A citizen is a permanent resident of a state, while an alien is a temporary resident, who comes for a specific duration of time as a tourist or on diplomatic assignment. ... Aliens do not possess such rights in the state where they reside temporarily

Explanation:

6 0
3 years ago
3. Why is static electricity not useful as a power
shtirl [24]
The answer is B, because all energy is released at once in static electricity.

There’s a quizlet that mentions these questions, if you are having trouble. I’d suggest to give them a look.
3 0
3 years ago
What is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance?
Sergio [31]
Salutations!

What is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance?

Molecules is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance. It is a group of atoms bounded together, and it can participate in a chemical reaction/

Hope I helped (:

Have a great day!
5 0
4 years ago
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