At the intersection of texas avenue and university drive,
ablue, subcompact car with mass 950 kg traveling east on
universitycollides with a amrron pickup truck with mass 1900 kg
that istraveling north on texas and ran a red light. the
twovehicles stick together as a result of the collision and, after
thecollision, the wreckage is sliding at 16.0 m/s in the
direction24.0 degrees east of north. calculate the speed of
eachvehicle before the collision. the collision occurs during
aheavy rainstorm; you can ignore friction forces between
thevehicles and the wet road.

Explanation:

We can use conservation of momentum to find the initial velocities.

Taking the unit vector pointing north and pointing east, the final velocity will be

The final linear momentum will be:

As there are not external forces, the total linear momentum must be constant.

So:

As initially the car is travelling east, and the truck is travelling north, the initial linear momentum must be

so:

so

So, for the truck

And, for the car

c. rb

explanation:

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