# chem

posted by .

a cyclist rides a bicycle at an average speed 24 miles per hour. If she wants to bike 195km, how long (in hours) must she ride.

• chem -

distance = rate x time.

• chem -

an aluminum engine block has a volume of 4.77 L and mass of 12.88 kg. whate is the density of aluminum in g/cm 3

• chemhik -

An aluminum engine block has a volume of 4.77 and a mass of 12.88 .

• chem -

2.7 per cubic meter squared

## Similar Questions

1. ### math

Samantha can ride her bike to work in 2/3 of an hour. When she drives to work it takes 1/3 of an hour. If she drives 12 miles per hour faster than she rides her bike, how fast does she ride her bike?
2. ### math

Ashley can ride her bike to work in 2/3 of an hour. When she drives to work it takes 1/3 of an hour. If she drives 12 miles per hour faster than she rides her bike, how fast does she ride her bike?
3. ### Chemistry

A cyclist rides at an average speed of 30 .If she wants to bike 189 , how long (in hours) must she ride?
4. ### precalculus

Gloria is planning to ride her bicycle near the transmitter of a radio station. She will be riding from a point 10 miles due east of the transmitter on a straight road to a point 40 miles west and 10 miles north of the transmitter. …
5. ### math

Ms. Kolawaski rides her exercise bike at an average speed of 12 miles per hour. How many minutes does it take her to ride 16 miles?
6. ### Math

You ride your bike at an average speed of 8 miles per hour.how many miles can you travel in 1.5 hours?
7. ### Math

Felicia takes 4 hours to ride her bike 56 miles. She rides at a constant speed during the 4 hour ride. What is her speed in miles per hour?
8. ### Chemistry Dimensional analysis

A cyclist rides at an average speed of 18 miles per hour. if she wants to bike 212km, how long in hours must she ride?
9. ### Math

A cyclist rides his bike at a speed of 27 miles per hour. What is this speed in feet per second?
10. ### math

Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?

More Similar Questions