Question
In: Physics
16. What is the minimum diameter of a brass rod if it is to support a...
16. What is the minimum diameter of a brass rod if it
is to support a 400 N load without exceeding the elastic limit?
Assume that the stress for the elastic limit is 379 MPa.
17. A body is rotating according to the equation alpha = 3t where
alpha is in rad/s2 and t is in sec. when t=0, the angular velocity
is 4 rad/s and angular distance is zero. Compute the angular
distance (rad) after t=2 sec. Answer in 2 decimal places.
18. A body is attached at the end of a cord from conical pendulum
for which the period is 1.5 sec. determine the radius of rotation r
if the cord rotates inclined at 30 degrees with the vertical.
Answer in 2 decimal places.
(KINDLY INCLUDE THE SOLUTIONS)
Solutions
genius_generous answered 2 years agoRelated Solutions
Question 2 2.1 A brass rod of 25 mm in diameter is enclosed in a steel...
Question 2
2.1 A brass rod of 25 mm in
diameter is enclosed in a steel tube. The tube is 10 mm thick with
an outside diameter of 50 mm. The bar and the tube are initially 1
m long and are rigidly fastened together at each end. Calculate the
stresses in the two materials when the temperature is raised by 80
0C.
2.2 If the composite bar is
then subjected to an axial tensile load of 60 kN, find...
Question 2 2.1 A brass rod of 25 mm in diameter is enclosed in a steel...
Question 2
2.1 A brass rod of 25 mm in
diameter is enclosed in a steel tube. The tube is 10 mm thick with
an outside diameter of 50 mm. The bar and the tube are initially 1
m long and are rigidly fastened together at each end. Calculate the
stresses in the two materials when the temperature is raised by 80
0C.
2.2 If the composite bar is
then subjected to an axial tensile load of 60 kN, find...
A brass rod 25.00 mm long and 5.00 mm in diameter extends horizontally from a casting...
A brass rod 25.00 mm long and 5.00 mm in diameter extends
horizontally from a casting at 200°C. The rod is in an air
environment with T∞ =20°C and h=30 W/m2·K. What is the temperature
of the rod 6.25, 12.50, and 25.00 mm from the casting?
A brass rod 150.00 mm long and 5.00 mm in diameter extends horizontally from a casting...
A brass rod 150.00 mm long and 5.00 mm in diameter extends
horizontally from a casting at 200°C. The rod is in an air
environment with T∞ =20°C and h=30 W/m2·K. What is the temperature
of the rod 37.50, 75.00, and 150.00 mm from the casting?
A brass ring with inner diameter 2.00 cm and outer diameter 3.00 cm needs to fit...
A brass ring with inner diameter 2.00 cm and outer diameter 3.00
cm needs to fit over a 2.00 cm-diameter steel rod, but at 20∘C the
hole through the brass ring is 48 μmtoo small in diameter.
To what temperature, in ∘C, must the rod and ring be heated so that
the ring just barely slips over the rod?
A brass rod with a length of 1.23 m and a cross-sectional area of 1.53 cm2...
A brass rod with a length of 1.23 m and a cross-sectional area
of 1.53 cm2 is fastened end to end to a nickel rod with length Land
cross-sectional area 1.29 cm2 . The compound rod is subjected to
equal and opposite pulls of magnitude 3.57×104 Nat its
ends.
a- Find the length L of the nickel rod if the elongations of the
two rods are equal. (in m)
b- What is the stress in the brass rod? (in Pa)...
The thermal conductivity of a brass rod (property: thermal conductivity) when setting up an experiment to...
The thermal conductivity of a brass rod (property: thermal
conductivity) when setting up an experiment to measure the thermal
conductivity of a solid based on Fourier's Law, what hardware
factors will need to be controlled? Give your reason for each
one.
To what temperature (in °C) must a cylindrical rod of one metal 10.045 mm in diameter...
To what temperature (in °C) must a cylindrical rod of one metal
10.045 mm in diameter and a plate of second metal having a circular
hole 9.990 mm in diameter have to be heated for the rod to just fit
into the hole? Assume that the initial temperature is 25°C and that
the linear expansion coefficient values for metals one and two are
4.9 x 10-6 (°C)-1 and 17 x 10-6
(°C)-1, respectively.
A 1.5 kg solid brass sphere is initially at a temperature of 15.0°C, the diameter of...
A 1.5 kg solid brass sphere is initially at a temperature of
15.0°C, the diameter of the brass sphere at this initial
temperature is 6.50 cm.
(a) If the volume of the sphere is to increase by 2.50%, what is
the final temperature of the brass sphere?
(b) If the sphere is heated to 225°C. What is the change in the
radius of the sphere?
A uniform brass solid cylinder has a mass, m = 500 g, and a diameter, D...
A uniform brass solid cylinder has a mass, m = 500 g, and a
diameter, D = 6 cm and a length L = 1 m. The cylinder rotates about
its axis of rotational symmetry at an angular velocity of 60
radians/s on a frictionless bearing.
(a) What is the angular momentum of the cylinder?
(b) How much work was required to increase the angular momentum
of the cylinder to this value if the cylinder was initially at
rest? Once...
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