3 years ago

Which company has experienced censorship in China?

Physics

2 answers:

djyliett [7]3 years ago

7 0

The answer to this is Google
For plato, hope this helps

True [87]3 years ago

4 0

Japan most of the time

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Which of the following is NOT a benefit of cool down activities?

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B. Maximal lightheadedness

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2 years ago

A block of mass m=1kg sliding along a rough horizontal surface is traveling at a speed v0=2m/s when it strikes a massless spring

topjm [15]

Here we can use the work energy theorem

$W_f + W_s = K_f - K_i$

here we know that

$K_f = 0$

as it come to rest finally

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$K_i = \frac{1}{2}\times 1\times 2^2$

$K_i = 2 J$

now work done by friction force will be given as

$W_f = - F_f \times d = -\mu mg d$

$W_f = - \mu(1)(9.8)(0.10) = - 0.98\mu$

Work done by spring force is given as

$W_s = \frac{1}{2}k(x_i^2 - x_f^2)$

$W_s = \frac{1}{2}(10)( 0 - 0.10^2)$

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so now plug in all data above

$- 0.05 - \mu(0.98) = 0 - 2$

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so above is the friction coefficient

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3 years ago

What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 5 m/s? (1 point)

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Momentum is a term used to quantify the motion of an object has. It is calculated as the the product of the object's mass and the velocity. It is expressed as:

Momentum = m x v
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Therefore, the correct answer is the last option.

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3 years ago

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