When rolled down a mountainside at 7.0 m/s,the horizontal component of its velocity vector was 1.8 m/s.What was the angle of the mountain surface above the horizontal?
A)75°
B)57°
C)33°
D)15°

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The Answer of When rolled down a mountainside at 7.0 m/s,the horizontal component of its velocity vector was 1.8 m/s.What was the angle of the mountain surface above the horizontal?
A)75°
B)57°
C)33°
D)15°

When Rolled Down a Mountainside at 7