3 years ago

What is the acceleration of a 100 kg if a net force of 200 N is applied to it?

Physics

2 answers:

slamgirl [31]3 years ago

6 0

Answer: 2 m/s^2 or 6.562 ft/s^2

Zina [86]3 years ago

5 0

Your answer would be 2 m/s^2. I hope I could help you!

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A car of mass m accelerates from speed v_1 to speed v_2 while going up a slope that makes an angle theta with the horizontal. Th

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Answer:

Work done by external force is given as

$Work_{external} = mgLsin\theta + \mu mgLcos(\theta) + \frac{1}{2}mv_2^2 - \frac{1}{2}mv_1^2$

Explanation:

As per work energy Theorem we can say that work done by all force on the car is equal to change in kinetic energy of the car

so we will have

$Work_{external} + Work_{gravity} + Work_{friction} = \frac{1}{2}mv_2^2 - \frac{1}{2}mv_1^2$

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$W_{gravity} = -mg(Lsin\theta)$

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so from above equation

$Work_{external} - mgLsin\theta - \mu mgLcos(\theta) = \frac{1}{2}mv_2^2 - \frac{1}{2}mv_1^2$

so from above equation work done by external force is given as

$Work_{external} = mgLsin\theta + \mu mgLcos(\theta) + \frac{1}{2}mv_2^2 - \frac{1}{2}mv_1^2$

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3 years ago

How do you calculate distance using deceleration and time?

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Answer:

U = initial velocity, t = time taken, s = distance covered. Deceleration Formula is used to calculate the deceleration of the given body in motion.

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4. What is the speed of a walking person in m/s if the person travels 1000m in 20 minutes?

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Explanation:

What is the speed of a walking person in m/s if the person travels 1000 m in 20 minutes?

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133.33 miles per hour

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