3 years ago

Janice ran a 5 km race on Saturday at 0.75 h. What was her speed? HELP MEHHH NOWWWW

Chemistry

2 answers:

a_sh-v [17]3 years ago

4 0

Speed=distance/time. S=5km/.75 h=6.67 kmh

ryzh [129]3 years ago

3 0

Answer

A runner ran 20 miles in 150 minutes. If she runs at that ... run in 15 minutes? How fast is she running in miles per hour? What is her pace in minutes per mile?

Explanation:

You might be interested in

When 167.2 joules of heat is added to 4.00 grams of water at 10c the resulting temperature is what

Katena32 [7]

$Q=mc \Delta T \\\\
Q=168,2J\\
m=4g\\
c=4.184\frac{J}{g^{o}C}\\\\
\Delta T=\frac{Q}{mc}=\frac{167,2J}{4g*4,184\frac{J}{g^{o}C}}=9,99^{o}C\\\\
\Delta T = T_{f}-T_{i}\\\\
9,99^{o}C=T_{f}-10^{o}C\\\\
T_{f}=9,99^{o}C+10^{o}C=19,99^{o}C\approx20^{o}C$