Which vector shows the velocity of the yo-yo at this moment?
lA. D
B. C
C. A
O D

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.

Current from a charged capacitor lights a bulb. as time goes on the brightness of the