Answer:
Unit conversion is very important because the rest of the world other than three countries uses the metric system. So, converting units is important in science because it uses the metric system. The metric system is measurements like cm, m, l, mL, etc...
Explanation:
Units can: Help to show another person the exact amount you have. Assist in solving a mathematical problem, especially in chemistry, where you can follow the units to get to the answer. Show which measurement system the person is using (i.e. metric or standard)
Hope this helps :)
Answer:
Weight of the runner is 60 kilograms
Explanation:
Momentum is the product of weight and velocity.
The formula is : p=mv where m is mass in kg and v is velocity in m/s
Given in the question ;
v= 20 m/s and p=1200 kg*m/s
Applying the formula as;
p= mv
1200 = m * 20
1200/20 = m
60 kg = m
