Question

A firecracker explodes, sending pieces of equal mass in three directions as shown in the diagram. Angle θ is 14 degrees, and angle ϕ is 30 degrees. Assume that the firecracker is initially at rest, and take upward and rightward as the positive directions.

What are the components of the right-hand piece’s velocity?

Horizontal component:
What is the answer? I need it.

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