Abullet is fired at 50 m/s at an angle of 30 degrees with respect to horizontal. what is the y- component of f the velocity of the bullet?

1. 4.9 m/s
2. 9.8 m/s
3. 19.6 m/s
4. 29.4 m/s

the area between the graph and the t axis

a.   mass number from atomic number

i think it would be 5

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hope this !