Amodel rocket is launched at an angle of 70° above the x axis, with an initial velocity of 40 m/s. how long will the rocket be in the air? a. 2.4 s b. 3.8 s c. 6.5 s d. 7.7 s

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption

real, smaller and upside-down.   so the answer should be b.

0.11 m/s and 0.28 m/s should be correct