Question
A 100-g toy car is propelled by a compressed spring that starts it moving. The car follows the curved track in Figure 7.38. Show that the final speed of the toy car is 0.687 m/s if its initial speed is 2.00 m/s and it coasts up the frictionless slope, gaining 0.180 m in altitude.
Question Image
$0.687 \textrm{ m/s}$
Solution Video