Ime ($) What is the instantaneous velocity at time = 2 sec?
0.5 m/s
- 1 mis
-0.5 m/s
1 m/s

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Ineed the answer to question 1 , i’m desperate

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.