vector-aoverlinea-having-a-magnitude-of-60-lies-along-the-positive-y-axis-vector

Question

Vector ﻿A‾\overline{A}A﻿ having a magnitude of 60 lies along the positive y-axis. Vector ﻿B‾\overline{B}B﻿, positioned in the xy-plane, forms a 67° angle above the positive x-axis and has a magnitude of 42. Determine the dot product ﻿A‾⋅B‾\overline{A}\cdot\overline{B}A⋅B﻿.

Accepted Answer

2.32﻿×	imes×﻿$$10^{3}$$

Answer

9.85﻿×	imes×﻿$$10^{2}$$

Answer

2.52﻿×	imes×﻿$$10^{3}$$

Answer

1.34﻿×	imes×﻿$$10^{2}$$

Vector A‾\(\overline{A}\)A having a magnitude of 60 lies along the positive y-axis. Vector B‾\(\overline{B}\)B, positioned in the xy-plane, forms a 67° angle above the positive x-axis and has a magnitude of 42. Determine the dot product A‾⋅B‾\(\overline{A}\[\cdot\]\overline{B}\)A⋅B.

Vector $\overline{A}$ having a magnitude of 60 lies along the positive y-axis. Vector $\overline{B}$ , positioned in the xy-plane, forms a 67° angle above the positive x-axis and has a magnitude of 42. Determine the dot product $\overline{A}\[\cdot\]\overline{B}$ .