What's the value of 1,152 btu in joules? a. 1,964,445 j b. 987,875 j c. 2,485,664 j d. 1,215,360 j

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Determine the maximum r-value of the polar equation r =3+3 cos 0

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.