If velocity is positive, which would most likely yield a negative acceleration? O A final velocity that is gfaster than an initial velocity.
O Atime that is less than a half hour.
O An initial velocity that is faster than a final velocity.
O A time that is greater than a half hour.

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection