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sammy [17]
2 years ago
12

Calculating A cyclist's speed changes from

Physics
2 answers:
viva [34]2 years ago
6 0
  • initial velocity=u=0m/s
  • Final velocity=v=15m/s
  • Time=t=10s

\\ \sf\longmapsto Acceleration=\dfrac{v-u}{t}

\\ \sf\longmapsto Acceleration=\dfrac{15-0}{10}

\\ \sf\longmapsto Acceleration=\dfrac{15}{10}

\\ \sf\longmapsto Acceleration=1.5m/s^2

erma4kov [3.2K]2 years ago
3 0

Answer:

=> a = v f - v i / triangle t

=> a = 15 - 0 / 10

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an object is moving with initial velocity of 5 m/s. After 10 seconds final velocity is 10 m/s. Calculate its acceleration.​
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Please help me , thank you
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How many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 210 turns
Tasya [4]

Complete Question

How many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 210 turns.

The output from the secondary coil is  12 V

Answer:

The value  is  N_s  =  21 \  turns

Explanation:

From the equation we are told that

   The input voltage is  V_{in}  = 120 \ V

   The number of turns of the primary coil is N_p =  210 \  turn

    The output from the secondary is V_o =  12V

From the transformer equation

   \frac{N_p}{V_{in}}  =\frac{N_s}{V_o}

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