A red blood cell has a diameter of approximately 8 micrometers, or 0.008 um. A model represents its diameter as 8 um. What is the ratio of model size to
actual size?
O A. 1:1,000
B. 1:100
O C. 100:1
OD. 1,000:1

Abaseball is thrown a distance of 20 meters. what is its speed if it takes 0.5 seconds to cover the distance

Explain vector addition, triangle method and parallelogram method

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.