Question

please solve no. 8 and 9​

Answer 1

THIS IS THE ANSWER OF YOUR QUESTION NUMBER 9.☝️

8) a. 1:12 because The minute hand of a clock covers 360 deg in 60 min or 6 deg/min.

The hour hand of a clock covers 30 deg in 60 min or 0.5 deg/min.

The ratio of the angular speed of the minute to the hour hand= 0.5÷6= 1:12