Courtney spent $87 at a sporting good store. She spent $29 on a tennis racket and the rest on new shoes How much money did Courtney spend on new shoes

A pin-supported structure has unrestrained rotations at the support locations. a) True b) False

What are the air-standard assumptions?

Kirchhoff's junction law says that the total current into a junction must equal the total current leaving the junction. a. True b. False

Cavitation in pump assemblies can be avoided by decreasing tank pressure. a) - True b) - False

An ECE110 student decides to "go off the grid" and powers his house by batteries. On the first day, the electric power usage for the household was 29 kW-h. He must recharge his batteries using a bicycle-powered generator with 92 % efficiency.

Though still is on the margins of the global agro-food system, organic farming practices are on the rise in the core. In growing crops and raising livestock organically, which of the following are permitted? composted cow manure

Technician A says that a magnetic field can be created by current flow. Technician B says that current can be induced by moving a wire through a magnetic field. Who is right?

9.17 LAB: Name format Many documents use a specific format for a person's name. Write a program whose input is: firstName middleName lastName, and whose output is: lastName, firstName middleInitial.

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder