Name
AME250 Quiz 4
1. (35 pts) The slender 20-kg bar is released from rest in a horizontal position where the spring is unstretched. When
the bar has reached a vertical orientation its angular velocity is 2 rad/sec (CCW). Find the spring stiffness in N/m.

AME250 Spring15
Name:
(30 pts)
1. A motorcycle stunt rider wants to jump a canyon as shown. He
has asked for your help in determining his required initial
speed, V0.
(a) Assuming negligible air resistance, compute his required speed
in order to cover 50 m

AME250 Test-3 F16
Name (Last name 1 st)
35 pts
1. A 3 ft radius disk with center point P fixed on the ground, rotates at 2 rad/s with angular acceleration of 3
rad/s2 in the directions shown. A smaller 1 ft radius disk with center point Q rotates with res

AME250 F14 Test 4
Name _
1. (35 pts)
A mobile cart and man have a combined mass of 300 lbm. When coasting down a
30 slope, the front wheel brakes are applied. We wish to determine the steady
deceleration at which the cart will have impending tip about the

AME250 Fall14
Name:
(30 pts)
1. A ball is launched at A as shown and lands at point B. Find the time of flight and the angle .
g
Y
V0 = 120 m/s
B
A
40
X
800 m
100 m
AME250 Fall14
Name:
(30 pts)
2. A particle P starts from rest at A at time = 0 and changes

AME250 F14 Test 2
Name _
1. (35 pts)
The 10 lbm collar is sliding around a smooth vertical rod. At the instant shown, the
collar speed is 10 ft/s and is increasing at 5 ft/s2.
F
(a) Express the acceleration at this instant in polar coordinates.
45
(b) Dra

3/16/2016
Chapter 9: Phase Diagrams
ISSUES TO ADDRESS.
Solution solid, liquid, or gas solutions, single phase
Mixture more than one phase
Sugar/Water Phase Diagram
Solubility Limit:
Question: What is the
solubility limit for sugar in
water at 20C?
Phas

Chapter 2: Atomic Structure &
Interatomic Bonding
ISSUES TO ADDRESS.
What promotes bonding?
What types of bonds are there?
What properties are inferred from bonding?
Chapter 2 - 1
Atomic Structure
atom
electrons 9.11 x 10-31 kg
protons
1.67 x 10-27 k

3/24/2016
Chapter 10:
Phase Transformations
Phase Transformations
Nucleation
ISSUES TO ADDRESS.
Transforming one phase into another takes time.
Fe
g
Eutectoid
transformation
Fe3C
(cementite)
(Austenite)
C
FCC
+
a
(ferrite)
nuclei (seeds) act as template

AMEZSO Qui23 ' - ‘ Name }/ EY
1. (35 pts) A mass attached to cable 0A initially travels in a circular path on
a frictionless horizontal platform at speed V1=4 ft/s. The cable initial length
is 12 feet. The cable is then pulled through a hole at point 0

1. (30 pts)
The spring bumper is used to arrest the motion of the 10 lb
block, which is sliding toward it at 8 ft/sec. The spring is I‘ P ‘—
confined by a plate P, and the wall using cables so that its
length is 2 ft. If the stiffness of the spring is K=4

35 pts.
A baseball ball is thrown from the side of a hill at a 40° angle from the horizontal. it lands at a
point 191.5’ horizontally, and 241.8’ vertically below the release point.
(A) Find the initial velocity of the ball, assuming that aerodynamic forc

Quiz 1 AMEZSO—OOZ $14
1. (30 pts)
A football is kicked with an initial speed of 100 ft/sec. If
it hits a goal post 8’ above the ground and 135’ away,
neglecting air resistance,
(3) Develop an equation that can be solved for the
angle 9 (Le. no other unkno