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3 years ago

TRUE OR FALSE An object will slow down and stop as long as no forces act upon it

Physics

2 answers:

Lemur [1.5K]3 years ago

7 0

Answer:

that's tru in a way in that it stops when no force of push or pull acts on it. but theforce of resistance and gravity makes it stop

bixtya [17]3 years ago

4 0

Answer:

False

Explanation:

An object with no net forces acting on it which is initially at rest will remain at rest.

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A projectile is launched with an initial velocity of 60.0 m/s at an angle of 30.0° above the horizontal. How far does it travel?

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3 years ago

Read 2 more answers

The heater element of a 120 V toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. The resistivity of nichrome

Ksenya-84 [330]

Answer:

The power drawn by the toaster is closest to:

(A) 370 W

Explanation:

First we calculate the resistance of the nichrome wire (R).

$R=\frac{pL}{A} =\frac{pL}{\pi r^{2} } \\$

Where radious (r), resistance coefficient (p), and Length (L)

$r=\frac{0.48}{2} 10^{-3} m\\\\L=5.4 m\\p=1.3*10^{-3}\varOmega \\\\\\Replacing:\\\\R=\frac{1.3(10)^{-6} *5.4}{\pi* 0.24^{2} (10)^{-6}} =38.7940$

After replace the value in the ohm law power formula to obtain the power consumed:

$P=\frac{V^2}{R} =\frac{120^2}{38.7940} =371.191 Watts$

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3 years ago

Difference between rest and motion?

Yuki888 [10]

Answer:

Rest and motion are relative terms. In simple terms, an object that changes its position is said to be in motion while the opposite action causes an object to be at rest.

Explanation:

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3 years ago