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3 years ago

13

A 20 g sparrow flying toward a bird feeder mistakes the pane of glass in a window for an opening and slams into it with a force

of 2.0 N. What is the bird's acceleration?

1 answer:

Rama09 [41]3 years ago

5 0

I found this using the app Socratic. When I took physics in high school it helped me so much.

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How do you calculate density?

Mashcka [7]

Mass per cubic metre so kg/m3. Temperature may give different results.

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3 years ago

The work output of a machine divided by the work input is the ____ of the machine.

s344n2d4d5 [400]

<span>The work output of a machine divided by the work input is the "Efficiency" of the machine.

Hope this helps!</span>

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3 years ago

A waitperson carrying a tray with a platter on it tips the tray at an angle of 12° below the horizontal. If the gravitational fo

Nadusha1986 [10]

Answer:

The answer is 1.0 N

Explanation:

inclination of tray=12^{\circ}

gravitational Force=5 N

Now this gravitational force has two component i.e.

5\sin \theta is parallel to the tray =1.039 N

5\cos \theta is perpendicular to the tray =4.890 N

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2 years ago

A professor drives off with his car (mass 870 kg), but forgot to take his coffee mug (mass 0.47 kg) off the roof. The coefficien

SSSSS [86.1K]

Answer: $6.86 m/s^2$

Explanation:

Given

mas of car=870 kg

coffee mug mass=0.47 kg

coefficient of static friction between mug and roof $\mu _s= 0.7$

Coefficient of kinetic Friction $\mu _k=0.5$

maximum car acceleration is $\mu \times g$

here coefficient of static friction comes in to action because mug is placed over car . If mug is moving relative to car then \mu _k is come into effect

$a_{max}=0.7\times 9.8=6.86 m/s^2$

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3 years ago

Hydraulics uses _______ to change the size and/or direction of a force

cupoosta [38]

I know this the answer is <span>pressurized liquids if you go on quizlet they will always give you the answer just so you know</span>

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2 years ago