ME244 Homework #2 Solutions
Q.1
Q.2
Q.3
The cyclist is freely coasting down the hill defined by the shape y = 0.2ex .If he has a speed of 12 m/s when y = 0.33 m,
determine the resultant normal reaction he exerts on the ground and the rate of increase in h
ME 372 Computer-Aided Mechanical Engineering
Instructor: Dr. Emre Alpman
Summary of Assignment 4
In Assignment 4 we tried to obtain small-enough step sizes for desired accuracy. For this purpose we
tried to limit the local error by successively halving th
ME 372 Computer-Aided Mechanical Engineering
Instructor: Dr. Emre Alpman
Assignment #3
Due Date: March 12th, 2013
SINGLE DEGREE-OF-FREEDOM SYSTEMS
Summary of Previous Assignment
The SDOF system in assignment #1 was solved by backward Euler algorithm, whic
Homework #2
1) A force of F = 500 N holds the 200 kg crate in equilibrium. Determine the coordinates
(0,y,z) of point A if the tension in cords AC and AB is 3500 N each.
2) If the maximum allowable tension in cables AB and AC is 2500 N, determine the
maxi
Homework #1
1) Determine the magnitude of the projected component of force FAC acting along the z
axis.
2) Determine the projected component of the force FAB = 560 N acting along cable AC.
Express the result as a Cartesian vector.
3) Determine the angle
ME 352
System Dynamics and Control
Homework # 2
Due: Fri 08.03.2013
This is a personalized homework assignment. You will need to complete the following steps to
construct your own blockdiagrams.
In your student ID number, obtain digits x, y, and z:
2x0705
ME 324
H W #3
26.02.2013
1. A very long rectangular fin is attached to a flat surface such that the temperature at the end of the
fin is essentially that of the surrounding air, i.e. 20C. Its width is 5.0 cm; thickness is 1.0 mm;
thermal conductivity is 2
ME 324
HW #2
19.02.2013
1. An uninsulated, thin-walled pipe of 100-mm diameter is used to transport water to equipment that
operates outdoors and uses the water as a coolant. During particularly harsh winter conditions, the
pipe wall achieves a temperatur
ME 324
HW #2
19.02.2013
1. An uninsulated, thin-walled pipe of 100-mm diameter is used to transport water to equipment that
operates outdoors and uses the water as a coolant. During particularly harsh winter conditions, the
pipe wall achieves a temperatur
ME 324
HW #1
12.02.2013
1. A freezer compartment consists of a cubical cavity that is 2 m on a side. Assume the bottom to be
perfectly insulated. What is the minimum thickness, L, of styrofoam insulation (k = 0.030 W/m
K) that must be applied to the top a
ME 324
HW #1
12.02.2013
1. A freezer compartment consists of a cubical cavity that is 2 m on a side. Assume the bottom to be
perfectly insulated. What is the minimum thickness, L, of styrofoam insulation (k = 0.030 W/m
K) that must be applied to the top a
ME 244
Dynamics
Homework #6
Due:
Friday 21.12.2012, 5 PM
[1]. The 200-mm-radius brake drum is attached to a larger flywheel that is not shown.
The total mass moment of inertia of the drum and the flywheel is 30 kg.m2 and
the coefficient of kinetic frictio
ME 244
Dynamics
Homework #5
Due:
Tuesday 04.12.2012, 5 PM
[1]. If A is approaching B with a speed of 0.5 m/s, determine the speed at which the
platform is rising as a function of . Each link is pin connected at its midpoint
and has a length of 1.5 m.
[2].
ME 244
Dynamics
Homework #4
Due:
Friday 16.11.2012, 5 PM
[1]. The particle of mass m is restrained by a string to travel around a circular
path on the horizontal table. The coefficient of kinetic friction between the
particle and the table is 0.15. If the
ME 244
Dynamics
Homework #3
Due:
Wednesday 31.10.2012, 5 PM
[1]. Plates A and B each have a mass of 4 kg and are restricted to move along
frictionless guides. If the coefficient of restitution between the plates is e =
0.7, determine (a) the speed of both
ME 244
Dynamics
Homework #2
Due:
Friday 12.10.2012, 5 PM
[1]. Rod OA rotates counterclockwise with a constant angular rate of
= 5 rad/s.
The double collar C is pin-connected together such that one collar slides over
the rotating rod and the other slides o
ME 244
Dynamics
Homework #1
Due:
Monday 01.10.2012, 5 PM
[1]. The flexible belt runs around pulleys of different radii. At the instant
shown, point C on the belt has a velocity of 5 m/s and an acceleration of
50 m/s2 in the direction indicated in the figu
HOMEWORK 2
1. A simple ideal Brayton cycle with air as the working fluid has a pressure ratio of 10.
Air enters the compressor at 290 K and the turbine at 1100 K. Assuming constant
specific heats, determine;
a) The air temperature at the compressor exit,
29.02.2012
Homework 1
1. An air compressor takes in air at 100kPa and 20 C and discharges into a line having an
inside diameter of 1 cm. The average air velocity in the line at a point close to the
discharge is 7 m/sec and discharge pressure is three time