By what percent must one increase the tension in a guitar string to change the speed of waves on the string from 301 m/s to 343
m/s?
1 answer:
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The distance from Buzău to Iaşi is 72 km. Find out the time a vehicle travels this distance if it has a speed of 72 km per hour. Expresses the speed in the unit of measurement in SI. I give the crown! Thank you
Answer:
3600seconds
Explanation:
Given parameters:
Distance = 72km
Speed = 72km/hr
Unknown:
Time it takes for the vehicle to travel the distance = ?
Solution:
Speed is the distance divided by time;
Speed =
time =
Insert the parameters;
time = = 1hr
The SI unit of time is in seconds;
3600 seconds is 1hr
The time is 3600seconds
Answer:
speed = distance/time
Explanation:
distance -> s
speed -> v
time -> t
