4 years ago

???whats the answers??

1 answer:

OverLord2011 [107]4 years ago

8 0

The answers is 30 miles per hour, the driver is speeding the car up, section-H, 12 minutes, section-D, and 65 miles per hour.

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At the melting point

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if you exert 10.0 N of force to compress a spring 50 cm from its equilibrium point, then what is the spring constant?

Olegator [25]

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4 years ago

A 75 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting fr

sergejj [24]

Answer:

The net force acting on the bobsled is 300 N.

Explanation:

Given:

Mass of the bobsled is, $m=75\ kg$

Displacement is, $d=4.5\ m$

Initial speed is, $u=0$ m/s

Final speed is, $v=6.0$ m/s

Net acceleration acting on the bobsled can be determined using the following Newton's equation of motion:

$v^2=u^2+2ad$

Plug in all the given values and solve for acceleration, $a$ .

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Now, as per Newton's second law, net force is the product of mass and acceleration. So,

$F_{net}=ma\\F_{net}=75\times 4=300\ N$

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3 years ago

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