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Car changing speed around a corner - find tangential and radial accel
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[QUOTE="Phys121VIU, post: 4073277, member: 358958"] How would I find the angle of the expected radial accel vector with just the knowledge of the total accel vector being 20° north of east? Are the tangential accel and radial accel vectors perpendicular to each other? Therefore making it possible to use sin/cosine laws to find the missing angles/magnitudes? If i use the sine law: For tangential accel: 3m/s[SUP]2[/SUP]/sin90° = b/sin70° so b would = 2.597m/s[SUP]2[/SUP] And for radial/centripetal accel: 3m/s[SUP]2[/SUP]/sin90° = c/sin20° so c = 3.064m/s[SUP]2[/SUP] But these numbers don't seem right..when i check the numbers my using a[SUP]2[/SUP] = [SUP]b[/SUP] + c[SUP]2[/SUP] i come out with 4.01m/s[SUP]2[/SUP] which doesn't = the given total accel...please help! [/QUOTE]
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Car changing speed around a corner - find tangential and radial accel
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