Questions from Mechanical Engineering

Q: The car travels around the circular track with a constant speed of

The car travels around the circular track with a constant speed of 21 m/s wit r=400(costheta)m. Determine the car's radial and transverse component of velocity at the instant θ=π/4rad. Determine the c...

Q: The link AC rotates with a constant angular speed of 6 rad

The link AC rotates with a constant angular speed of 6 rad/s such that the position of the slide B is described by r = 200(2 - cos α) mm. When a = 150, determine: 1.The radial and trans...

Q: Consider the cross-section show in the figure /

Consider the cross-section show in the figure

Q: A pin is pushed along a slotted track defined by the function

A pin is pushed along a slotted track defined by the function r = 3 sin θ, where r is in units of meters and theta is radians measured positive in the counter-clockwise direction. The pin...

Q: Determine the reactions at the supports. /

Determine the reactions at the supports.

Q: Which of the following statements is always true? 1.

Which of the following statements is always true? 1. Entropy change in adiabatic process is 0. 2. Entropy change in any process is always positive. 3. If a process is reversible, change in entropy of...

Q: Air flows into the jet engine shown in the figure below at

Air flows into the jet engine shown in the figure below at a rate of 9 slugs/s and a speed of 371 ft/s. Upon landing, the engine exhaust exits through the reverse thrust mechanism with a speed of 846...

Q: The state of stress at a point in a loaded solid is

The state of stress at a point in a loaded solid is given as a. Calculate the principal menu. b. Plot the Mohr’s circles for this point and calculate the maximum shear stress c. De...

Q: Define a homogeneous material. Define the modulus of elasticity.

Define a homogeneous material. Define the modulus of elasticity. Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. True or false? As the te...

Q: How to find engineering stress, engineering strain, modulus of elasticity

How to find engineering stress, engineering strain, modulus of elasticity, and elongation to fracture using the information provided.