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snow_tiger [21]
2 years ago
14

Lab: Motion

Physics
2 answers:
Margarita [4]2 years ago
8 0

Answer:

Please make sure to modify it so the teacher cant find out you used brainly

Explanation:

Teachers are begginng to catch on to the fact we are using brainly,quizlet and other sites for answers. If you do decide to use it please make sure you take the time to heavly modify it so that if the teachers use something to check if you copieed and paste it they cant find jack diddly squat.

I am Lyosha [343]2 years ago
5 0

Answer: In this lab we wanted to know how motion can be described. So the hypothesis is if the starting height of a sloped racetrack is increased, then the speed at which a toy car travels along the track will increase because the toy car will have a greater acceleration. My prediction is that cars travel faster on higher tracts. So the heighten the track was intentionally manipulated. So it is the independent variable the speed of the car is the dependent variable. The speed at the first quarter checkpoint is 1.09 m/s. The speed at the second quarter checkpoint is 1.95 m/s. The speed at the third quarter checkpoint is 2.373.36 m/s. The speed at the finish line is  2.803.00 m/s. The average speed increases as the height increases.

The cars on the higher track travel farther than the cars on the lower track, in the same time.

This means that the cars on the higher track have a greater average speed than those on the lower track. This is demonstrated by the

slope of the higher track line being greater than the slope of the lower track line.

Explanation: put it in notes then send it to files to compress it to submit it.

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sweet-ann [11.9K]

Answer:

bb kettle

Explanation:

it transfres electricsl to kinetic

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3 years ago
I need help on US history portfolio but before you help me...
alex41 [277]

Answer:

1. They believed the British were treating the colonists unfairly.

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3. The King of England wanted to tax the Colonists without giving them representation in British parliament.

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3 years ago
When light of frequency equal to 2.40 × 1015 s−1 shines on the surface of silver metal, the kinetic energy of ejected electrons
sesenic [268]

Answer: 9.98 *10^-19 J

Explanation: In order to explain this probelm we have to consider the balance enegy for photoelectric effect.

h*f-W=Ek where h is the Planck constant and W the work function and Ek the kinetic energy. f is the frequency of light.

W=h*f-Ek=6.62*10^-34*2.4*10^15-5.9*10^-19=9.98*10^-19J

3 0
3 years ago
I think 40 is the answer but i need confirmation
NNADVOKAT [17]
You’re right, bc I’m the question it says the pulley is at equilibrium
3 0
3 years ago
Read 2 more answers
A new system of units is invented where the basic unit of length is the "dak." The "dak" is defined as equal to 3 inches, and th
Goryan [66]

Answer:

1 cm = 0.131 daks

Explanation:

It is given that,

1 dak = 3 inches

and

1 inch = 2.54 cm

We need to find how many "daks" are there in a centimeter. We can do the conversions as follows :

1\ dak=1\ dak\times \dfrac{3\ inches}{1\ dak}\times \dfrac{2.54\ cm}{1\ inch}

1\ dak=7.62\ cm

1\ cm=\dfrac{1}{7.62}\ dak

1 cm = 0.131 dak

So, there are 0.131 daks in 1 centimeter. Hence, this is the required solution.

5 0
3 years ago
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