Nwhich of the following types of engine is the air-and-fuel mixture ignited by the heat created during the compression stage, rather than by a spark plug? a. an lp gas engine b. an electric engine c. a rotary engine d. a diesel engine

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.

The process of a material going through a change of state from a gas to a liquid