Physics category

Posted by Zim1 some time ago

Explain the difference between Direct Numerical Control and Distributed Numerical Control and show it by means of simple block diagrams.

Posted by Zim1 some time ago

Define fatigue failure. What are its characteristics?

Posted by Zim1 some time ago

a) Why are washers used with fasteners? b) Which is the preferred key type used on tapered shafts and explain the reason for it?

Posted by Zim1 some time ago

What are the three equations of static equilibrium?

Posted by Zim1 some time ago

Is the yield point well defined in the case of brittle materials? Explain with reasons.

Posted by Zim1 some time ago

An object of mass 10 kg encounters a frictional force when sliding to the right. Given the coefficient of friction between the object and the surface is 0.15, determine: a) The normal force b) The gravitational force c) The frictional force Assume value of gravitaton constant g = 9.81m/s2

Posted by Syeda Khizra Naqvi some time ago

2.6 Using the property values for refrigerant HFA 134a given in Table 2.5, calculate: (i) the specific enthalpy and specific volume of HFA 134a at -8

Posted by Zim1 some time ago

a) Explain the process of creep as applied to metals.

Posted by Sparky5287 some time ago

How do you make a painful shock device for butt cheeks from 9v battery and capacitor?

Posted by Yared Teklehaymanot some time ago

What effect does the load have on the output voltage of the practical voltage source

Posted by Arik Gitman some time ago

If Robin Hood applies a 15N force to pull his bow back by 0.25 m, with what speed will his 0.150 kg arrow leave the bow?

Posted by Yared Teklehaymanot some time ago

What effect does the load have on the load current of the practical current source

Posted by groverat699 some time ago

Can you use a 100 amp power pole for 30 amp rv?

Posted by Linda Joy some time ago

What do you know about light, or enlightenment?

Posted by mustafacarhan some time ago

Digital Electronics

Posted by Kokoi12 some time ago

Discuss what will happen if a beam of white light with frequency between 4x1014 Hz to 7.9x1014 Hz is incident on both surfaces.

Posted by bostjan64 some time ago

Why do some people say "power up" for turn on and "power down" for turn off?

Posted by Linda Joy some time ago

Did you know a tractor beam can be produced using matter waves now in addition to light and sound waves?

Posted by DancesWithWolves some time ago

Do you think will ever get free Solar Power to serve Electric for power for our homes etc?

Posted by DancesWithWolves some time ago

I'm on them programs for Electric called PCAP all it does is give me high Electric bills , so what's the use to be on PCAP if all it does is increase the amount of our bills ?

Posted by Azxc some time ago

What is time relay

Posted by Ian Lockhart some time ago

Is this Video right link below

Posted by siti some time ago

Evaluate the slope and deflection at point D using the Macaulay method.

Posted by KrissyHands some time ago

What were the two flashs of light that lit up the sky at about 5am on the 29/03/20 in Hastings, Victoria? There was also a mechanical sound as it happened and we felt a kinda pulce in our chests as the sky lit up. Can't find any information, at all anywhere! Please help me

Posted by Linda Joy some time ago

What do you think of the new smart clothes that generate electricity?

Posted by bostjan64 some time ago

Weight on an elevator problem

Posted by Brent Cullum some time ago

What size wire would i need for a 50amp rv hookup 150' away from meter

Posted by Dona some time ago

explain Hydraulic Jack Oil and its Fluid Properties ?

Posted by bostjan64 some time ago

Batman vs. Joker

Posted by Linda Joy some time ago

How can such a tiny thing be such big news?! First time ever quantum entanglement in space!

Posted by Luis Maldonado some time ago

The Velocity of a 600kg automobile is changed from 10 m/s to 44 m/s by an applied force. Calculate that force.

Posted by Shiva Abhishek some time ago

Find total energy of body of 5kg mass,which is at a height of 10m from earth and falling downwards with a velocity of 20m/s.take acceleration due to gravity as 10m/s

Posted by Victoria Tapia some time ago

Physics Question

Posted by Mamnun Ul Alam some time ago

I need to conduct tensile test on steel specimens. I have steel strips having thicknesses of 5mm, 7mm, 10mm , 12mm and 15 mm. But I cannot find a standard dimension( for example : gauge length, radius) for making a flat plate tensile test specimen . can anyone help me to find a standard dimension criteria to prepare tensile test specimen ?

Posted by Just Wondering... some time ago

Which material does sound travel throught the fastest? Aluminium, bubble wrap, glass or water?

Posted by Linda Joy some time ago

What changes flavor as it travels?

Posted by bostjan64 some time ago

What is the cause of the nonparabolicity of the energy-size dependence for the lowest optical absorption transition of quantum dots?

Posted by Linda Joy some time ago

True or False: Massless particles don't experience time.

Posted by Cry me a River some time ago

Have you ever seen a freak of nature?

Posted by Stpauligerle some time ago

CERN makes terrible error

Posted by Rick Myres some time ago

Who put the lights out?

Posted by bostjan64 some time ago

Red, orange, yellow, green, blue, indigo, and violet. Can you distinguish indigo from blue and violet?

Posted by Cry me a River some time ago

Are you wicked? Proud of it?

Posted by Cry me a River some time ago

Do you pride yourself on nobody understanding you?

Posted by Cry me a River some time ago

Are you fear prone? Or are you anger prone?

Posted by Cry me a River some time ago

Can you describe your last adrenaline surge?

Posted by Cry me a River some time ago

Do you like to see God win?

Posted by Cry me a River some time ago

What kinds of things are human nature, you think?

Posted by Cry me a River some time ago

Do you have a good sense of direction?

Posted by Cry me a River some time ago

Do you ever feel you stepped out of a dream?

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