3 years ago

A good hypothesis must be which of the following

Physics

1 answer:

Aneli [31]3 years ago

4 0

Answer:

Testable

Explanation:

A good hypothesis must always be testable.

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250kg

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2 years ago

5. The net external force on a rock of mass 4.2 kg is 8.0 N forward. Find the acceleration of the rock.

andreev551 [17]

Answer:

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Which statement is true for a sound wave entering an area of warmer air?

kherson [118]

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2 years ago

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A child uses a rubber band to launch a bottle cap at an angle of 37.0° above the horizontal. The cap travels a horizontal distan

zavuch27 [327]

Answer:

Initial velocity will be 1.356 m/sec

Explanation:

Let the initial speed = u

Angle at which rubber band is launched = 37°

Horizontal component of initial velocity $u_x=ucos\Theta =ucos37^{\circ}=0.7986u$