2 years ago

2. A go-cart travels once around a circular track with a radius of 200m. What is its

Physics

1 answer:

In-s [12.5K]2 years ago

8 0

Answer:

ggggggg

Explanation:

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As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff ideal sprin

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Answer:

The magnitude of force must you apply to hold the platform in this position = 888.89 N

Explanation:

Given that :

Workdone (W) = 80.0 J

length x = 0.180 m

The equation for this work done by the spring is expressed as:

$W = \frac{1}{2}k_{eq}x^2$

Making the spring constant $k_{eq}$ the subject of the formula; we have:

$k_{eq} = \frac{2W}{x^2}$

Substituting our given values, we have:

$k_{eq} = \frac{2*80}{0.180^2}$

$k_{eq} = 4938.27 \ N.m^{-1}$

The magnitude of the force that must be apply to the hold platform in this position is given by the formula :

$F = k_{eq}x$

$F = 4938.27*0.180$

F = 888.89 N

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Murrr4er [49]

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Waves travel as "packets" of several waves. in these "packets," a wave travels at __________.

madam [21]

A. the same speed as the wave energy

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According to Newton's third law of motion, if you push against a wall, the wall will __________.

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A 600-g block is dropped onto a relaxed vertical spring that has a spring constant k =190.0 N/m. The block becomes attached to t

charle [14.2K]

Answer:

Work done will be 2.205 j

Explanation:

We have given that the spring is compressed b 37.5 cm

So d = 0.375 m

Mass of the block m = 600 gram = 0.6 kg

Acceleration due to gravity $g=9.8m/sec^2$

Gravitational force on the block $F=mg=0.6\times 9.8=5.88N$

Now we know that work done is give by $W=Fd=5.88\times 0.375=2.205J$

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2 years ago