Question

please answer ans show work on 37 and 38. thank you

37. 37. A 1200 kg car rounds a curve of radius of curvature of 40 m moving at 25 2 points m/s. What is the centripetal acceleration of the car? Mark only one oval 10000 15.6 m/s^2 48 m/s^2 1.6 m/s2 48000 m/s2 none of these 38. 2 points 38. A 1200 kg car rounds a curve of radius of curvature of 40 m moving at 25 m/s. What is the centripetal force of the car? Mark only one oval. 1920 N 1875 N 48 N 48000 N none of these 18 * $ 9 0 % 5 7 Y U

Answer 1

37)

$a_{c}=\frac{v^{2}}{r}$

$a_{c}=\frac{25^{2}}{40}=15.6\ m/s^{2}$

38)

$F_{c}=\frac{mv^{2}}{r}$

1200 * 252 F= = 18750 N 40

None of the options are correct.