PHYSICS HIGH SCHOOL

Tony walks at an average speed of 70 m/min from his home toschool. If the distance between his home and the school is
2100 m, how much time does it take for Tony to walk to
school?
min

Answers

Answer 1
Answer:

Answer:

The answer is 30 min

Explanation:

t = s/v

v = 70 m/min, s = 2100 m

t = 2100/70 = 30 min.

Hope it helps you! ＼(^ᴥ^)／

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Answers

Electron configuration

Suppose you hit a 0.058-kg tennis ball so that the ball then moves with an acceleration of 10 m/s2. if you were to hit a basketball of mass 0.58 kg with the same force, what would the acceleration a of the basketball be? *graph is 4/x if that helps.

Answers

In this problem, the working equation to be used is the Newton's 2nd law of motion: Force = mass x acceleration. 


First situation: mass = 0.058 kg; acceleration = 10 m/s2

Hence, force is 0.058 kg x 10 m/s2, which is 0.58 N. Since same force is to be used, this same value is used for the second situation.

Second situation: mass = 0.58 kg; Force = 0.58 N

Since F = ma, by transposing, the acceleration could be solved by the equation, a = F/m. Thus, 0.58N/0.58 kg, the acceleration is 1 m/s2.

The volume occupied by three milliliters of water is the same as three cubic centimeters of water

Answers

The volume occupied by three milliliters of water is the same as three cubic centimeters of water is true. The conversion is as follows.

3mL (1 L/1000 mL) (1 m3/1000 L) (100 cm/1 m)^3 = 3 cm3

Which explains why light bends when it passes from air to water?a) It generates more energy.

b) It is reflected.

c) It generates heat.

d) It changes speed.

Answers

Answer: The correct answer is "it changes speed".

Explanation:

Refraction: it is the phenomenon which occurs when the light rays travel from one medium to the another medium.

In refraction, the light rays get bend due to the change in the speed of light rays.

In reflection, the light ray is reflected back in the same medium. The light ray reflected back after striking the obstacle without getting absorb or transmit in it.

Therefore, light bends when it passes from air to water due to change in the speed.
Answer: D 
Key thing to keep note, is "refraction"... 
Look at some experiments on YouTube, it's helps me a lot. 

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Answers

Asteroids are larger than comets, you, me, and meteoroids.
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The photo shows a simple electric circuit.Which part of an electric circuit resists the flow of charge when it changes electrical energy into other forms of energy?



A.
part B - copper wires

B.
part A - battery

C.
part C - switch

D.
part D - lightbulb

Answers

The part of an electric circuit that resist the flow of charge when it changes electrical energy into other forms of energy would be : D. Lightbulb
It convert electrical energy into heat and light energy, which resist the flow of charge during the process

hope this helps

Answer: I know this is from 2016 but I am going to confirm that it is in fact D - Light bulb

Explanation: I took the test in K-12.
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