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Murljashka [212]
3 years ago
6

Which statement best describes an insulator?

Physics
2 answers:
Zarrin [17]3 years ago
6 0

Answer: It has a high resistivity because it opposes the movement of electrons.

Explanation: I know this because I jus took the test & picked c thinking tht this person got it right but it was actually wrong‍♀️

jolli1 [7]3 years ago
5 0

Answer:

It has a high resistivity because it permits the movement of

electrons.

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The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reacti
slavikrds [6]

Answer:

The force is being pulled my the gravity or it could be a third party thing like a black hole you feel me

Explanation:

8 0
3 years ago
Brian Berg of lowa built a house of cards 4.88 m tall. Suppose Berg throws a ball from ground level
Step2247 [10]

Answer:

Vf = final velocity = 1.96 [m/s]

Explanation:

To solve this problem we must use the following equation of kinematics.

v_{f}^{2}=v_{o}^{2}-2*g*x

where:

Vf = final velocity [m/s]

Vo = initial velocity = 9.98 [m/s]

g = gravity acceleration = 9.81 [m/s²]

x = vertical distance [m]

v_{f}^{2}=(9.98)^{2}-2*9.81*4.88\\v_{f}^{2} = 99.6-95.74\\v_{f}=\sqrt{3.8544}\\v_{f}=1.96[m/s]

Note: The negative sign of the gravity acceleration means that the gravity acceleration is pointing in the opposite direction of the movement.

4 0
3 years ago
What type of waves move energy forward, but the source moves up and down?
Tresset [83]
Transverse waves is the answer.
Hope I helped if you need anything else ask me
3 0
4 years ago
A boat sends an ultrasound signal of frequency 30 kHz, and receives the signal after 6 s. If the speed of sound in water is 1500
natka813 [3]

Answer:

4500

Explanation:

hey there!

first we convert the khz to hz=30000hz

we use the formula 2d=distance×time

2d=1500×6

d=9000/2=4500

i think this is the right answer....

hope this helps u :)

3 0
3 years ago
What items can be classified as matter?
Agata [3.3K]
Gas , Liquid , or solid
7 0
4 years ago
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