A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 21.3 m/s and a 1500 kg pickup is traveling north toward the same intersection. The car and truck collide at the intersection and stick together. After the collision, the wreckage (car and truck) moves off in a direction of 41.0° above the x-axis. Determine the initial speed of the truck and the final speed of the wreckage.

Explanation:

x-axis

Initial velocity

Mass:

y-axis

Initial velocity is unknown

Mass:

conservative momentum of the system in x-axis is:

(41.0°)

so find the subject of the formula

conservative momentum of the system in y-axis is:

(41.0°)

so now the subject of the formula

explanation:

areas w steep slopes, west coast, rocky mountains, and appalachian mountains

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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