The aluminum rod AB (G = 26 GPa) is bonded to the brass rod BD (G = 39 GPa). Knowing that portion CD of the brass rod is hollow and has an inner diameter of 40 mm, determine the total strain energy of the two rods. Take TA = 900 N·m.

a car with an initial velocity of 10ms north was accelerated for 6 second until it ha a final velocity of 25ms north, what is the cars acceleration?

A rock is thrown downward into a well that is 7.92 m deep. Part A If the splash is heard 1.17 seconds later, what was the initial speed of the rock? Take the speed of sound in the air to be 343 m/s.

A 2.9 * 103 kg car accelerates from rest under the action of two forces. One is a forward force of 1148 N provided by traction between the wheels and the road. The other is a 941 N resistive force due to various frictional forces.

Which measurement is a speed, not a velocity? A. - 35 m/s B. 35 m/s south C. 35 m/s east B. 35 m/s

What do paramecium eat

Heliocentric means ... sun-centered. moon-centered. Earth-centered. galaxy-centered.

Which of the following statements are true? a. A satellite's motion is independent of its mass. b. A satellite's velocity and orbital radius are independent of each other. c. A geosynchronous satellite has a period of approximately 28 days. d.

Latent heat of vaporization refers to which changes of state? liquid to gas or gas to liquid solid to gas or gas to solid solid to liquid or gas to liquid gas to liquid or liquid to solid

In what part of the scientific method do you record data? a. Conclusion b. Experiment c. Analysis d. Hypothesis

What is the basic definition of a black hole? a. any compact mass that emits no light b. a dead star that has faded from view any object from which the escape velocity exceeds c. the speed of light any object made from dark matter d.