Question 4 of 20 : select the best answer for the question. 4.   which of the following would lower the pitch of a string instrument's sound?           a. shortening the effective string length.   b. increasing the thickness of the string used.   c. adding tension within the string.   d. using less force to vibrate the string

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?