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Physics
Physics
Problem
An athlete runs at a speed of 8 m/s for 10 s, and then at a speed of 6 m/s for 12 s. Which calculation gives the average speed of the athlete in m/s? A)
8
+
6
2
\frac{8 + 6}{2}
2
8
+
6
B)
(
8
×
10
)
+
(
6
×
12
)
22
\frac{(8 \times 10) + (6 \times 12)}{22}
22
(
8
×
10
)
+
(
6
×
12
)
C)
(
8
÷
10
)
+
(
6
÷
12
)
22
\frac{(8 \div 10) + (6 \div 12)}{22}
22
(
8
÷
10
)
+
(
6
÷
12
)
D)
(
10
÷
8
)
+
(
12
÷
6
)
22
\frac{(10 \div 8) + (12 \div 6)}{22}
22
(
10
÷
8
)
+
(
12
÷
6
)
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