Question

.

Answer 1

@mathmate would I need the work equation or is this kinetic energy I'm calculating?

Answer 2

Yep........ Calculate the initial kinetic energy...........

Answer 3

Ok so...
.5 * 4000 * (50^2)?

Answer 4

Convert 50mph into meter per second

Answer 5

50/3600 right?

Answer 6

Its what about miles into meter

Answer 7

I mean 1 Mile = 1609.344 Meters

Answer 8

You have to do that to calculate velocity from speed?

Answer 9

50 mph= 50*1609.344/3600 meter per second=22.352 meter per second

Answer 10

Thus, KE=.5*4000 * (22.353)^2

Answer 11

Thank you!

Answer 12

Welcome

Answer 13

What would be the units?

Answer 14

Joules

Answer 15

Thanks!

Answer 16

Welcome