Search for question
Question

At the instant shown below, the roller coaster's position is defined by r=20 f t, \theta=(0.35 t) \mathrm{rad}, z=(-6 \cos \theta) f t What is the magnitude of the car's

velocity when t =5 s? Round your solution to 3 significant figures and include appropriate units. Hint: Make sure your calculator is in radian mode.

Fig: 1

Fig: 2

Fig: 3

Fig: 4