# Science

posted by .

Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. It takes Amy 40
minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster (in meters/second) is Amy’s average
speed for the entire trip?
Be sure to show all necessary metric conversions!

• Science -

Va = 14,400m / (2/3)h = 21,600m/h = Amy's sped.

Vb = 14,400m / 1h = 14400m/h. = Bill's
speed.

Amy = 21,600 - 14,400 = 7200m/h Faster.

Amy = 7200m/h * (1/3600)h/s = 2m/s faster than Bill.

• Science -

6 m/s

• Science -

2.7

## Similar Questions

1. ### St monica

Bill and Amy want to ride their bikes from their neighbourhood to school which is 14.4 kilmeters away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster (in meters/second) is Amy's average speed …
2. ### Science NEED HELP NOW

Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster (in meters/second) is Amy’s average …
3. ### Physics

billy and amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. it takes amy 41 minutes to arrive at school. bill arrives 21 minutes after amy. how much faster (in meters/second) is amy's average …
4. ### Math

bill and amy want to ride their bikes from thier neighborhood to school which is 14.4 kilometers away. It takes Amy 40 minutes to arrive at school. Bill arrives 20 minutes after Amy. How much faster is Amy's average speed fro the entire …
5. ### gr 11 physics

Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 km away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster(in meters/second) is Amy's average speed for the …

Average speed: Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometres away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster(in meters/second) is Amy's …
7. ### Math

Amy and Ashley bike along the same trail. Amy bikes the entire trail at a speed of 20 mph and Ashley bikes it at a speed of 15 mph. Amy finishes biking the entire trail 8 minutes before Ashley. How many miles long is the bike trail?
8. ### math

Amy & Ashley bike along the same trail. Amy bikes the entire trail at 20mph & Ashley bikes at 15mph. Amy finishes 8 minutes before Ashley. How many miles long is the trail?
9. ### math

Amy leaves home at the same time every morning and gets to school exactly at 8 AM. If she traveled at 70 meters per minute she would arrive 10 minutes early. If she traveled at 60 meters per minute she would arrive 8 minutes early. …
10. ### Math

Amy's school is made up of 524 students. The principal gave each student 3 pencils. Amy says 1,048 pencils were handed out. Is Amy's answer reasonable?

More Similar Questions