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xxTIMURxx [149]
3 years ago
13

0.75 km expressed in centimeters

Physics
1 answer:
madam [21]3 years ago
6 0
0.75 km = (0.75×100000) cm = 75000 cm
The scientific notation to find this is ---
Kilo-Hecto-Deca-Meter-Deci-Centi-Milli
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3 years ago
Starting from a pillar, you run 200 m east (the + x-direction) at an average speed of 5.0 m/s and then run 280 m west at an aver
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Answer:

Total time taken=110 seconds

Total distance traveled=480m

Explanation:

First of all, we find the total time taken:

For that, we use the formula : Distance/Speed= Time

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Time for part 2 : 280/4=70seconds

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3 0
3 years ago
Mike walks 200 km in 6 hours.he then walks another 100km in 4 hours .what is his average speed?
kolbaska11 [484]

Average speed is defined as the ratio of total distance covered in total given time

speed = \frac{distance}{time}

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d_1 = 200 km

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now here total time of the motion is

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total time will be given as

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now by above formula

v_{avg} = \frac{300}{10}

v_{avg} = 30 km/h

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