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zubka84 [21]
3 years ago
12

When a hypothesis is wrong, scientists often begin by revising the (blank)

Physics
2 answers:
Volgvan3 years ago
8 0
When a hypothesis is wrong , scientists often begin by revising the hypothesis and redesign the experiment
Vsevolod [243]3 years ago
7 0
I might be wrong, but. The words seem to fit. 

When a hypothesis is wrong, scientists often begin by revising the question after that, its common for scientists to redesign the experiment.
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Describe the relationship between a compass and a magnet. Use C.E.R while answering. Your CER should have a one-sentence claim,
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if a stone is projected at an angle of 50 degrees to the horizontal with an initial velocity of 50m/s, what is the vertical comp
Vilka [71]

Answer:

38.3 m/s

Explanation:

To find vertical component of initial velocity, you'd have to use sine ratio:

\displaystyle{\sin \theta = \dfrac{u_y}{u}}

\displaystyle{u_y} is vertical component of initial velocity and \displaystyle{u} is initial velocity given which is 50 m/s.

A stone is projected at an angle of 50 degrees so \displaystyle{\theta} = 50°. Substitute in the formula:

\displaystyle{\sin 50^{\circ} = \dfrac{u_y}{50}}\\\\\displaystyle{50 \sin 50^{\circ} = u_y}\\\\\displaystyle{u_y = 38.3 \ \, \sf{m/s}}

Therefore, the vertical component of initial velocity is approximately 38.3 m/s

(The picture is also attached for visual reference!)

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2 years ago
Choose all the answers that apply.
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5 1 4 are the answers
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