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gladu [14]
3 years ago
9

What is your hypothesis (or hypotheses) for this experiment? This lab is for motion.

Physics
2 answers:
Aloiza [94]3 years ago
4 0

Answer:I hypothesis that the motion involving the balls in the experiement were moving to create data.

Explanation: Edgenuity kid

poizon [28]3 years ago
3 0

Answer:

The hypothesis (or hypotheses) for this experiment would be :

1) Experiment of motion( movement) can be performed in this lab.

2) Experiment of motion( movement) can be performed better in this lab.

3)  Only experiments of motion( movement) can be performed in this lab.

4) Experiment of motion( movement) can be performed more accurately in this lab.

5) No experiment of motion( movement) can be performed in this lab.

Explanation:

The hypothesis (or hypotheses) for this experiment would be :

Experiment regarding motion( movement) can be performed in this lab.

And Conclusion would be:

This lab is for motion.

We can only conclude that this lab is for motion when we find out that the motion experiments can be performed better or with higher accuracy or none other experiment can be carried out as easily as the motion experiment.

We only conclude when we test the hypothesis .

The hypothesis can be tested in a number of ways such as showing better results, or showing negative results of the said statement.

So there can be a few hypotheses as follows.

1) Experiment of motion( movement) can be performed in this lab.

2) Experiment of motion( movement) can be performed better in this lab.

3)  Only experiments of motion( movement) can be performed in this lab.

4) Experiment of motion( movement) can be performed more accurately in this lab.

5) No experiment of motion( movement) can be performed in this lab.

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The driver of a car traveling at a speed of 25.5 m/s slams on the brakes and comes to a stop in 3.4 s. If we assume that the car
marusya05 [52]

Answer:

(a). The average speed of the car is 12.75 m/s

(b). The distance is 43.35 m.

Explanation:

Given that,

Initial speed = -25.5 m/s

Final speed = 0

Time = 3.4 s

(a). We need to calculate the average speed

Using formula of average speed

v_{avg}=\dfrac{v_{f}-v_{i}}{2}

Put the value into the formula

v_{avg}=\dfrac{0-(-25.5)}{2}

v_{avg}=12.75\ m/s

(b). We need to calculate the acceleration

Using equation of motion

v_{f}=v_{i}+at

a =\dfrac{v_{f}-v_{i}}{t}

a=\dfrac{-25.5-0}{3.4}

a=-7.5\ m/s^2

We need to calculate the distance

Using equation of motion

s = ut+\dfrac{1}{2}at^2

s=25.5\times3.4+\dfrac{1}{2}\times(-7.5)\times(3.4)^2

s=43.35\ m

Hence, (a). The average speed of the car is 12.75 m/s

(b). The distance is 43.35 m.

5 0
4 years ago
If 40 kJ of heat energy are added to 4 kg of water at 30°C, what will be the final temperature of the water? The specific heat o
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5 0
3 years ago
A net force of 15 N is applied to a cart with a mass of 2.1 kg. a. What is the acceleration of the cart? b. How long will it tak
Gennadij [26K]
The first question's answer is :
If, F=ma
Then, 15N= 2.1kg (a)
15/2.1=a
7.14=a
Therefore, acceleration = 7.14m/s^2

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6 0
3 years ago
Is it true or false that all electromagnetic waves travel at the same speed in a vacuum?
Nady [450]
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5 0
3 years ago
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As a diligent physics student, you carry out physics experiments at every opportunity. At this opportunity, you carry a 1.01 m l
Valentin [98]

Answer:

The strength of the magnetic field is 75.6\ \mu T.

Explanation:

Given that,

Length of the rod, L = 1.01 m

Speed with which the rod is moving, v = 3.47 m/s

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\epsilon=Blv

B is magnetic field

B=\dfrac{\epsilon}{lv}\\\\B=\dfrac{0.265\times 10^{-3}}{1.01\times 3.47}\\\\B=75.6\ \mu T

So, the strength of the magnetic field is 75.6\ \mu T.

6 0
4 years ago
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