After 6.3 s, a spinning roulette wheel has sped up to a final angular velocity of 47.3 rad/s. During this time, the wheel has an angular acceleration of 1.1 rad/s2.

What was the roulette’s initial angular velocity?

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point