A $3\mathrm{.}0$ kg mass hangs at one end of a rope that is attached to a support on a railroad car. When the car accelerates to the right, the rope makes an angle of $1\mathrm{.}5$ degree with the vertical, as shown in Figure P$4\mathrm{.}68.$ Find the acceleration of the car.

Transcribed Image Text:

MO Figure P4.68 MO Figure P4.68