3 years ago

A tree bumps into a tree with a force of 4500 N. What force does the tree exert on the car?

Physics

1 answer:

madreJ [45]3 years ago

4 0

If one tree bumps into another tree, it's entirely possible
that a car could get away without a scratch.

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Explanation:

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3 years ago

show how three identical 6 resistors must be connected tho have the following effective resistance values 9 and 4 ohms

SpyIntel [72]

Answer:

connect two 9 ohms resistance in series now it becomes 18 ohm

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3 years ago

Mike is cutting the grass using a human-powered lawn mower. He pushes the mower with a force of 45 n directed at an angle of 41Â

Andrej [43]

Answer:

work done will be equal to 305.05 J

Explanation:

We have given force exerted F = 45 N

Angle with the horizontal $\Theta =41^{\circ}$

Distance moved due to exerted force d = 9.1 m

Work done is equal to $W=Fcos\Theta \times d$ , here F is force $\Theta$ is angle with horizontal and d is distance moved due to force

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4 years ago

An 81.5-kg man stands on a horizontal surface.

Elza [17]

Answer:

a)V= 0.0827 m³

b)P=181.11 x 10² N/m²

Explanation:

Given that

m = 81.5 kg

Density ,ρ = 985 kg/m³

As we know that

Mass = Volume x Density

81.5 = V x 985

V= 0.0827 m³

The force exerted by weight = m g

F= m g= 81.5 x 10 = 815 N ( Take ,g= 10 m/s²)

Area ,A= 4.5 x 10⁻² m²

The Pressure P

$P=\dfrac{F}{A}$

$P = \dfrac{815}{4.5\times 10^{-2}}\ N/m^2$

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4 years ago

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Murrr4er [49]

B would be the correct answer

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4 years ago