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lina2011 [118]
3 years ago
15

The initial velocity of a micro van is 15 m/s. It gains a velocity of 40 ms in 10 seconds. Calculate the average velocity and ac

celeration of the [Ans: 27.5 m, 25 m/s d/ A racing car starts from rest. If it gains an acceleration of 5m/s in 10 seconds, calculate the final velocity. (Ans: 50 m van.​
Physics
1 answer:
PSYCHO15rus [73]3 years ago
5 0

Answer:

{ \bf{average \: velocity =  \frac{15 + 40}{2}}} \\   = 27.5 \:  {ms}^{ - 1}  \\  { \bf{acceleration =  \frac{v - u}{t} }} \\  =  \frac{40 - 15}{10}  \\  = 2.5 \:  {ms}^{ - 2}  \\  \\ { \tt{second \: qn : }} \\ { \bf{final \: velocity =u + at }} \\ v = 0 + (5 \times 10) \\  = 50 \:  {ms}^{ - 1}

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A 100 kg mass is pulled along a frictionless surface by a horizontal force F such that its acceleration is 10.0 m/s2. A 20 kg ma
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Answer

given,

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horizontal friction exerted by the 100 kg block on 20 kg

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after 20 kg block falls the acceleration of the bock

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A MEMS-based accelerometer has a mass of m = 2 grams, an equivalent spring constant of k = 5 N/m, and an equivalent damping coef
pychu [463]

Answer:

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This is just testing your ability to recall that kinetic energy is given by: 

<span>k.e. = ½mv² </span>

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<span>The frequency of the light is redundant information. </span>

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4 0
3 years ago
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