Steel design
Is there a limit of value of modular ratio? If there is, what is the limit?
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Unanswered Posts
Discrete Mathematics
What is the answer to the question If 5n+6 is odd then n is odd
using the contraposition/contrapositive.
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Physics: Uniform Motion
A motorboat maintained a
constant speed of 15 miles per hour relative to the water in
going 10 miles upstream and then returning. The total time
for the trip was 1.5 hours. Use this information to find the
speed of the current.
Ans: 5 mi/hr.
Any solution for this? Thanks
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physics
a force of a baseball swing. a baseball ha mass 0.145 kg
a. if the velocity of a pitched ball has a magnitude of 45.0 m/s and the batted ball's velocity is 55 m/s in the opposite direction, find the magnitude of the change in momentum of the ball and of the impulse applied to it by the bait.
b. if the ball remains in contact with the bat for 2 m/s, find the magnitude of the average force applied by bat.
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Moment Area theorem problem. please help
I've been trying to solve the following question for 2 days now and i can't seem to be able to. can someone help me please ?
For the beam shown in Figure 3, the support at A is fully fixed. The beam is tapered however you may consider it to be a beam of 3 varying sections.
Take:
Beam A to B as having 3 times the I value of beam D to end, Beam B to D as having 1.5 times the I value of beam D to end and Beam D to end is 310 UB 46.2 with I = 100 x 106 mm4. Tip: this may be easier to solve using superposition.
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Hoops stress
A steel ring of outer diameter 300mm and internal diameter of 200mm is shrunked unto a solid steel shaft , the interference is arranged such that the radial pressure between the meeting surfaces will not fall bellow 300MN/m^2 while the assembly rotates in circles. If the maximum circumferencial stress on the inside of d surface of the ring is limited to 240MN/m^2. Determine the maximum speed at which the assembly can be rotated . Assuming that no relative slip occur between the shaft and the ring.
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Critical points
May answer key po ba kayo nito. Icheck ko lang po sana kung tama answers ko. Thank you po. Critical points/maxima and minima
y=4-6x+x²
y=(2x-1)²
y=2+12x-x³
y=x³-3x²-9x+20
y=x³-3x²+4x+5
y=x³-6x²+12x
y=x⁴+2x²+8x+3
y=16x+4x²-x⁴
y=x²(x-2)²
a³y=x⁴
9a³y=x(4a-x)³
a³y=x²(2a²-x²)
a³y=x³(4a-3x)
a⁵y=x⁴(3a²-2x²)
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Acceleration of Riged body (flyweight) with forces
I have a flyweight that rotates about a pin in a cvt clutch.
the flyweight gets its motion from centrifugal force that acts on the center of gravity on the object. i am trying to develop the acceleration equation using kinamatics but am a little rusty. i have developed the force equations but would like help with the acceleration.
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how to find drag force?
if the given
mass= 590 kg
depth 50 meters
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Differential Equations
How can we simplify ln(9m^2 n -mn^3) +x +y = c ?
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