Homework Help: physical science

Posted by Toni on Sunday, June 12, 2011 at 5:56pm.

A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

physical science - drwls, Sunday, June 12, 2011 at 6:25pm
Convert the weight W (in N) to the mass M (in kg).

M = W/g

Then convert the speed in km/h to m/s.

V = 90 km/h = 25 m/s

The momentum is M*V. The preferred units are km*m/s.
physical science - jordan, Tuesday, September 27, 2011 at 1:42pm
166.66
physical science - lauren, Tuesday, June 26, 2012 at 7:08pm
38239.25

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