2 years ago

When developing an experimental design, which action could a scientist take to improve the quality of the results?

Physics

1 answer:

worty [1.4K]2 years ago

4 0

Answer:

Explanation:

This helps improve the quality.

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Which is an example of negative acceleration?

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A graph that starts from the top left decreasing to the bottom right

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1. Does the validity of the principle of conservation of momentum depend on the validity of Newton's 3rd law of motion?

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a typical cmall flashlight contains two batteries each having na emf of 2.0 v connected in series with a bulb havin ga resistanc

Helen [10]

Answer:

P = 0.25 W

Explanation:

Given that,

The emf of the battry, E = 2 V

The resistance of a bulb, R = 16 ohms

We need to find the power delivered to the bulb. We know that, the formula for the power delivered is given by :

$P=\dfrac{V^2}{R}\\\\P=\dfrac{2^2}{16}\\\\=0.25\ W$

So, 0.25 W power is delivered to the bulb.

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2 years ago

What type of device forms images through reflection? Answer: Any mirror

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Answer:

wouldnt a phone be one it takes pictures through reflection like a mirror

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3 years ago

If the soccer ball has a mass of 284g, and gravitational force is 9.81 m/s2 on Earth, what is the weight of the soccer ball?

bagirrra123 [75]

Answer:

2.79 N
8.34 N
Watermelon

Explanation:

Weight of soccer ball

Weight = mass (in kg) × gravitational force
Weight = 284 x 10⁻³ x 9.81
Weight = 0.284 x 9.81
Weight = 2.79 N (approximately)

Weight of watermelon

Weight = mass (in kg) x gravitational force
Weight = 850 x 10⁻³ x 9.81
Weight = 0.85 x 9.81
Weight = 8.34 N (approximately)

As the watermelon has more weight, it will hit the ground first.

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2 years ago