Aforce of 15 n acts upon a 3 kg block. calculate the acceleration of the object.
question 2 options:
a. 75 m/s^2
b. 5 m/s^2
c. 45 m/s^2
d. 18 m/s^2

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right