The components of vector are:
ax = + 6.0
ay = -6.5
what is the angle measured counterclockwise from the x-axis to vector ?
133°
313°
137°
47°
223°

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is