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發問 0 回答 147

2016-07-25 6:02 am

If a force P acts directly perpendicular to a point A then what is its moment at A about P?

2016-07-25 5:35 am

Physics Question?

2016-07-16 4:52 am

Physics Easy 10 points ?

2016-07-13 1:12 am

The ratio of the average density of pJupiter/pEarth?

2016-06-25 8:54 am

1 pint is equal to how many ml.?

2016-06-14 7:53 am

A golf club strikes a 0.037-kg golf ball in order to launch it from the tee.?

2016-06-07 6:17 am

Find rational number between 3÷4 and 5÷6?

2016-06-06 8:01 pm

Point A(-5,7) is rotated about 90 degrees of the origin. What are coordinates of A?

2016-04-27 7:36 am

Calculate the specific gravity of the total mixture?

2016-04-27 5:48 am

Pressure help for Physics!?

2016-04-18 6:58 am

I m stuck on this physics question....?

2016-04-17 3:55 am

How to calculate the time when 2 cars are at the same position in a velocity time graph?

2016-04-04 3:31 pm

I need help with this physics question. Please show how you got to that answer. Please help!?

2016-02-21 11:26 am

Physics Question? Kinetic Energy?

2016-02-21 6:12 am

A spring has a natural length of 40 cm. If a 60-N force is required to keep the spring compressed 10 cm, how much work is done?

2016-02-10 3:54 pm

A force of 10N causes a spring to extend by 20mm?

2016-02-02 9:20 am

when we open door in closed room, the opposite side window is opened automatically in milliseconds. It is experience. Explain why?

2016-01-23 4:55 am

What is the relation between Hertz to Watts?

2016-01-10 10:32 am

What is the total potential energy of this system?

2016-01-05 5:11 am

When a capacitor charges another capacitor why it dissipates energy in form of heat?

2015-12-08 6:25 am

Q:-How many Mpa are equal to 1 N/mm2 : (a) 144.9. (b) 25.4. (c) 14.7. (d) 1.?

2015-11-05 3:22 am

Me and my friend were arguing over a Physics problem, please help?

2015-11-02 3:49 am

Simple Physics Question?

2015-11-02 4:02 am

Easiest Physics Problem?

2015-10-20 4:14 am

Finding magnitude of frictional force.?

2015-10-16 2:04 am

An object has a mass of 38 kg,,,?

2015-09-30 8:34 am

Need help on Physics!! MOTION IN TWO AND THREE DIMENSIONS?

2015-09-24 10:22 am

A body of mass 22 kg has to be displaced 3m . If frictional force is 16 N,find th work done.?

2015-09-17 6:56 pm

A car can decelerate at -3.25 m/s2 without skidding when coming to rest on a level road.?

2015-09-17 6:57 pm

A block with mass mA = 14.0 kg on a smooth horizontal surface...?

2015-09-17 7:00 pm

A block with mass mA = 14.0?

2015-09-16 3:33 am

Can anyone help me with this physics problem?

2015-09-02 3:43 am

2015-09-01 4:16 am

2015-08-29 1:53 am

Gr 12 physics help?

2015-08-02 10:40 am

A heavenly body has its mass and radius half of the Earth's. If a stone weighs 100N on the Earth,find its weight on the heavenly body.?

2015-07-13 12:02 pm

Help! Capacitor problem.?

2015-07-12 2:28 am

Three capacitors at capacitance?

2015-07-10 4:02 am

physics question help?

2015-05-01 1:35 pm

F1 =2.9kN, F2 =1.9kN. Magnitude of the resultant force? Angle between the resultant force and the x axis? The resultant couple moment at A?

2015-04-17 7:34 am

Physics Question?

2015-02-10 7:17 am

Help please!! Math Question?

2015-01-12 11:59 am

help me question on circuits?

2014-10-20 4:25 am

Sphere on Incline?

2014-09-18 1:37 pm

Physics problem:An engine is designed to convert 40 KJ(kilo joules) of heat energy into work. If the heat energy consumed by the engine is?

2013-09-16 10:07 pm

A baseball travelling horizontally at 41m/s [S] is hit by a baseball hat, causing its velocity to become 47m/s?

2011-08-01 1:09 pm

USA appliance 16V 10VA transfomer, what i need for Hong Kong?

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