3 years ago

Practice report of resistance measurement with Wheatstone bridge

1 answer:

6 0

Answer: Hii

Explanation: I had a picture.. so i think this might help you.. I answered this question using this picture, so i thought same might go to u too.. Hv a look.. Good Luck..!!

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A 2000 kg test car travels around a circular track with a radius of 100 m. If the

Anarel [89]

Answer:

V=0.38 m/s

Explanation:

ac=3 m/s^2

m=2000kg

r=100m

ac=mv^2/r

Solve for v^2

3=2000(v^2)/100

3=20v^2

3/20=.15

sqrt of .15= 0.38 m/s

V=0.38 m/s

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3 years ago

train travels 1/4of its total distance over half of its time with a constant velocity of 5m/s. calculate the average velocity

Katarina [22]

Let D be the total distance (say in meters) traveled by the train and T the time (say in seconds) it takes to do so. (Assume the train moves in a straight line in only one direction.) Then the average velocity of the train as it covers this distance is

v (ave) = D/T

We're told the train can traverse a distance of D/4 in a matter of T/2 seconds if it moves at a speed of 5 m/s. This means

D/4 = (5 m/s) (T/2)

⇒ 5 m/s = 1/2 D/T

⇒ v (ave) = D/T = 10 m/s

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3 years ago

NEED ASAP!! A box of mass 10 kg requires 20 N to slide it across a surface. What is the weight of the box? What is the coefficie

kaheart [24]

Answer: 7

Explanation: 7 is the superior number

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