Question
In: Mechanical Engineering
1)calculate the polar moment of inertia of a wire with a 2 mm diameter 2) what...
1)calculate the polar moment of inertia of a wire with a 2 mm diameter
2) what is the difference between the elastic modulus (E) and the shear Modulus (G) ?
Solutions
samet mamat answered 2 years agoRelated Solutions
We will find the Moment of Inertia Moment and Polar Moment of Inertia of a U...
We will find the Moment of Inertia Moment and Polar Moment of Inertia of a U profile that will determine its dimensions by ourselves.
To calculate moment of inertia
To calculate moment of inertia of axis passing through centre of a square
A. What is the moment of inertia of a solid iron sphere 20 inches in diameter...
A. What is the moment of inertia of a solid iron sphere 20
inches in diameter about an axis passing through the sphere half
way from its center to the surface (you will have to look up its
density)? If the sphere rolls down an incline plane that makes an
angle 20 degrees with the horizontal, what will be its
acceleration?
B. Derive the formula for acceleration of a circular disk that
rolls down an inclined plane that makes an...
What is the moment of inertia of a solid iron sphere 20 inches in diameter about...
What is the moment of inertia of a solid iron sphere 20 inches
in diameter about an axis passing through the sphere half way from
its center to the surface (you will have to look up its density)?
If the sphere rolls down an incline plane that makes an angle 20
degrees with the horizontal, what will be its acceleration?
b. Derive the formula for acceleration of a circular disk that
rolls down an inclined plane that makes an angle...
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a...
A number 14 copper wire has a diameter of 1.628 mm. Calculate
the resistance of a 34.0 m long piece of such wire.
(Use 1.72×10-8 Ωm for the resistivity of copper.)
2.809×10-1 Ohm
For safety, the National Electrical Code limits the allowable
amount of current which such a wire may carry. When used in indoor
wiring, the limit is 15.0 A for rubber insulated wire of that size.
How much power would be dissipated in the wire of the above...
Calculate moment of inertia of disc with remaining portion
From a uniform circular disc of radius R and mass 9 M, a small disc of radius R/3 is removed as . Calculate the moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through the centre of the disc.
Calculate moment of inertia of disc with remaining portion
From a uniform circular disc of radius R and mass 9 M, a small disc of radius R/3 is removed as . Calculate the moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through the centre of the disc.
1. Determine the moment of inertia of a 7.70 kgkg sphere of radius 0.779 mm when...
1. Determine the moment of inertia of a 7.70 kgkg
sphere of radius 0.779 mm when the axis of rotation is through its
center.
2. A merry-go-round accelerates from rest to 0.70
rad/srad/s in 35 ss. Assuming the merry-go-round is a uniform disk
of radius 8.0 mm and mass 3.20×104 kgkg , calculate the
net torque required to accelerate it.
3. A centrifuge rotor has a moment of inertia of
4.00×10−2 kg⋅m2kg⋅m2 . How much energy is required to
bring...
If the wire diameter decreases to 1 mm but the length is still 20 m and...
If the wire diameter decreases to 1 mm but the length is still
20 m and still carrying the same 20.0 A current, the drift speed of
electrons will (increase / decrease / stay the same),
the current density will (increase / decrease / stay the
same), the resistivity of the wire will (increase /
decrease / stay the same), the resistance of the wire
will (increase / decrease / stay the same), the electric
field inside the wire will (increase / decrease / stay...
Calculate the moment of inertia of a baseball bat for the following cases. (a) Assume the...
Calculate the moment of inertia of a baseball bat for the
following cases. (a) Assume the bat is a wooden rod of uniform
diameter and take the pivot point to be in the middle of the bat,
at the end of the bat, and 5 cm from the end of the handle, where a
batter who "chokes up" on the bat would place his hands.
Hint: Consider the bat as two rods held together at the
pivot point.
a) Estimate...
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