Question

Five rivets have a radius of 5 mm each. If the total shear load is 3000 N and shear

strength is 250 MPa, will they fail?

Hint, 5 mm = 0.005 m, cross sectional area of a rivet is x r^2

Answer #1

do give rating

A shaft of 2m length, 30 mm radius, with a wall thickness of 5
mm has a torque applied of 450 N. If the material has a G value of
275 GPa, what is the angular deflection in radians and degrees?
Hint, you need to calculate the J value, T x l/J x G =
deflection, and then convert to degrees.
(up to 15 points)
A torque of 1500 N on a shaft of 20 mm radius will have what...

(4) e/m = v/Br
(5) B=(N)(I)8μ0/R(√125) , N is the number of turns on each coil,
I is the current, R is the radius, and μ0 = 4pi x 10-7 Tm/A.
(8) v = (2eV/m)^1/2
Using Equations 4, 5, and 8, solve for e/m in terms of r (radius
of the path), R (average radius of the coils), V (voltage of the
electron source), I (current in the coils), N (number of turns of
the coils) and constants. Hint: start...

1.
A Ferris wheel starts at rest and builds up to a final angular
speed of 0.70 rad/s while rotating through an angular displacement
of 4.9 rad. What is its average angular acceleration?
0.10 rad/s2
0.05 rad/s2
1.8 rad/s2
0.60 rad/s2
2.
An ACME operating table has four legs. Each leg is square,
closed on the end and measures 0.10m X 0.10m. If the table weighs
1200 N and the patient on the table weighs 800 N, determine the
total...

Written Problem: Induction from a falling
magnet
We have a small magnet with a magnetic moment of m = 0.1
Am2 (remember: magnetic moment is defined as m = IA -
see page 932 of book for the definition). We also have coils of
wire. The coils are made out of 100 circular loops of a single
wire. A single loop has a radius of 10 cm. The thickness of the
wire has a circular cross section with a 0.5...

What is the change in length of a metal rod with an original
length of 4 m, a coefficient of thermal expansion of 0.00002/ ° C,
and a temperature change of 30° C?
1.
2.4 mm
2.
12 mm
3.
1.2 mm
4.
24 mm
Determine the number of electrons passing through a point in the
wire in 8 minutes when the current is 10 A.
a.
3 * 1016 electrons
b.
none of these
c.
4,800 electrons
d.
1.6...

1.
The total world population is forecast to be
P(t) = 0.00073t3 − 0.072t2 + 0.9t +
6.04 (0 ≤ t ≤ 10)
in year t, where t is measured in decades,
with t = 0 corresponding to 2000 and
P(t) is measured in billions.
a. World population is forecast to peak in what year?
Hint: Use the quadratic formula. (Remember that
t is in decades and not in years. Round your answer down
to the nearest year.)
________
b. At...

Heat is the
Total internal energy of an object
Average kinetic energy of molecules
Measure of potential energy of molecules
Same thing as very high temperature
The specific heat of copper is 0.093 cal/g⁰C, and the specific
heat of aluminum is 0.22 cal/g⁰C. The same amount of
energy applied to equal masses, say, 50 g of copper and aluminum,
will result in
A higher temperature for copper
A higher temperature for aluminum
The same temperature for each metal
Unknown results
The...

Multiple Choice
Select the best answer from the available choices for each
question.
Which of the following is NOT part of the definition of
a sample space S?
S can be discrete or continuous
Each outcome must be in S at most once
Each element in S is equally likely
Each outcome must be in S at least once
S is a set of possible outcomes in an experiment
Three A’s, three B’s, and two C’s are arranged at
random...

1) Describe an example of each of the following that may be
found of your kitchen: Explain how your choice falls into this
category, and if there is a chemical name or symbol for it, provide
that as well. Provide a photo of your example with your ID card in
it. a) a compound b) a heterogeneous mixture c) an element (symbol)
Moving to the Caves… Lechuguilla Caves specifically. Check out this
picture of crystals of gypsum left behind in...

Please answer the following Case
analysis questions
1-How is New Balance performing compared to its primary rivals?
How will the acquisition of Reebok by Adidas impact the structure
of the athletic shoe industry? Is this likely to be favorable or
unfavorable for New Balance?
2- What issues does New Balance management need to address?
3-What recommendations would you make to New Balance Management?
What does New Balance need to do to continue to be successful?
Should management continue to invest...

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