Question #22004

Hi,
I need help with a momentum question. Here it is: Your spacecraft is travelling forward with a momentum of 4940 kgm/s. The space station is 40 degrees to the right. The thrusters on the spacecraft exert a force of 1112 N perpendicular to the motion. How many seconds should you turn the thruster on to change your heading to reach the station? I'm comfused and any help would be appreciated. Thanks.

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