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sandhu

Questions (64)

where the arithmatic mean and geometric mean used in real life?
1. 1 answer
2. 417 views
A coaxial transmission line has a solid inner conductor of radius a and a thin-walled outer conductor of radius b. The medium
1. 1 answer
2. 725 views
1.A car is traveling a road that includes two sides of an equilateral triangle with a constant speed s. What is the magnitude of
1. 2 answers
2. 626 views
1.A car is traveling a road that includes two sides of an equilateral triangle with a constant speed s. What is the magnitude of
1. 2 answers
2. 577 views
A car is traveling a road that includes two sides of an equilateral triangle with a constant speed s. What is the magnitude of
1. 1 answer
2. 515 views
An object moves from the position r1=(2,-10,3)m to the position r2=(-2,3,7)m and then to r3=(3,-4,-2)m. Find a)displacement
1. 1 answer
2. 462 views
A stationary 1.67 kg object is struck by a stick. The object experiences a horizontal force given b F = at-bt^2, where t is the
1. 4 answers
2. 4,173 views
A cylindrical glass is 6cm wide. When you look from above at an angle you see the edge of the bottom of the glass. When the
1. 2 answers
2. 562 views
An EF 151 GTA sits on the EF stool and rotates CCW with an initial speed of 60 rpm. After 28 revolutions he stops. Assuming
1. 4 answers
2. 742 views
Posted by sandhu on Tuesday, November 30, 2010 at 7:38pm.Posted by sandhu on Tuesday, November 30, 2010 at 1:17am. A T is made
1. 1 answer
2. 588 views
Posted by sandhu on Tuesday, November 30, 2010 at 1:17am.A T is made of two identical 740 g thin solid rods. The moment of
1. 2 answers
2. 629 views
An EF 151 GTA sits on the EF stool and rotates CCW with an initial speed of 60 rpm. After 28 revolutions he stops. Assuming
1. 1 answer
2. 467 views
A T is made of two identical 740 g thin solid rods. The moment of inertia of the T about an axis perpendicular to the screen
1. 4 answers
2. 631 views
An EF 151 GTA sits on the EF stool and rotates CCW with an initial speed of 60 rpm. After 28 revolutions he stops. Assuming
1. 1 answer
2. 494 views
An EF 151 GTA sits on the EF stool and rotates CCW with an initial speed of 60 rpm. After 28 revolutions he stops. Assuming
1. 1 answer
2. 510 views
Posted by sandhu on Sunday, November 28, 2010 at 10:03pm.A 7200 lb airplane lands on an aircraft carrier with a speed of 72
1. 2 answers
2. 532 views
A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k=998 lb/ft)
1. 4 answers
2. 1,099 views
A block starts with a speed of 18.0 m/s and slides for a distance of 2.2 m down a 40° ramp (muk = 0.43). What is its final
1. 3 answers
2. 489 views
Lazydog and his tractor (1330 kg) are pulling a trailer (530 kg) up a 7° hill. The trailer wheels roll freely. What is the
1. 3 answers
2. 567 views
Lazydog and his tractor (1330 kg) are pulling a trailer (530 kg) up a 7° hill. The trailer wheels roll freely. What is the
1. 1 answer
2. 508 views
Lazydog and his tractor (1330 kg) are pulling a trailer (530 kg) up a 7° hill. The trailer wheels roll freely. What is the
1. 1 answer
2. 479 views
A basketball is thrown with a velocity of 10.5 ft/s downward from a height of 6.8 ft. The coefficient of restitution between the
1. 2 answers
2. 517 views
A basketball is thrown with a velocity of 10.5 ft/s downward from a height of 6.8 ft. The coefficient of restitution between the
1. 1 answer
2. 444 views
Posted by sandhu on Thursday, November 25, 2010 at 6:23am.A block starts with a speed of 18.0 m/s and slides for a distance of
1. 1 answer
2. 487 views
A block starts with a speed of 18.0 m/s and slides for a distance of 2.2 m down a 40° ramp (ìk = 0.43). What is its final
1. 3 answers
2. 390 views
Posted by sandhu on Wednesday, November 24, 2010 at 4:29am.The firetruck goes around a 180°, 162 m radius circular curve. It
1. 5 answers
2. 644 views
A 3640 lb roller coaster experiences a constant air-resistance force of 26 lb and a constant friction force of 20 lb. What
1. 1 answer
2. 517 views
The firetruck goes around a 180°, 162 m radius circular curve. It enters the curve with a speed of 12.6 m/s and leaves the
1. 3 answers
2. 623 views
An animal and its tractor (1330 kg) are pulling a trailer (530 kg) up a 7° hill. The trailer wheels roll freely. What is the
1. 3 answers
2. 980 views
A 33300 lb (earth weight) rocket in outer space has two constant forces acting upon it,F1 = (-166i + 392j) lb and F2 = (50i +
1. 3 answers
2. 518 views
A 33300 lb (earth weight) rocket in outer space has two constant forces acting upon it,F1 = (-166i + 392j) lb and F2 = (50i +
1. 1 answer
2. 493 views
A 3670 lb car going around an unbanked curve at a constant speed of 25 mph begins to slide (ìs=0.55 and ìk=0.45). What is the
1. 3 answers
2. 525 views
1.A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball
1. 1 answer
2. 896 views
1.A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball
1. 2 answers
2. 1,121 views
An outfielder throws a baseball from the outfield to the third baseman. In flight, the ball reaches a height of 25 ft above the
1. 3 answers
2. 723 views
An 3730 kg airplane has a center of mass located 32 m from the front of the plane. A 123 kg man sits 25 m from the front of the
1. 3 answers
2. 743 views
A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball
1. 1 answer
2. 483 views
A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball
1. 1 answer
2. 422 views
A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball
1. 1 answer
2. 496 views
A football on the moon (1/6 earth's gravity) is kicked straight up with an initial velocity of +14.5 m/s. If it starts 2.7 m
1. 2 answers
2. 476 views
In a panic stop, a 109 ton train can slow down with an acceleration of 0.08 g's. What is the time required to stop a train from
1. 1 answer
2. 472 views
A room is 3.4 smoots wide, 7.1 smoots long, and 1.5 smoots high. 28% of the room's walls are windows and doors. Determine the
1. 2 answers
2. 585 views
The Cedar Bluff express KAT bus averages 5 mph for 17 minutes, and then 44 mph for 13 minutes. What was its average speed? (mph)
1. 3 answers
2. 560 views
In the Melde's string apparatus, why there is no standing wave in the segment between the pulley and mass hanger?
1. 3 answers
2. 485 views
1.A wall between two rooms is 20 x 9 ft. The wall construction has Transmission Loss 50 dB at 1000 Hz. In the wall is a small
1. 1 answer
2. 541 views
1.A wall between two rooms is 20 x 9 ft. The wall construction has Transmission Loss 50 dB at 1000 Hz. In the wall is a small
1. 1 answer
2. 471 views
10 moles of a gas initially at temperature 300 K is compressed adiabatically from a volume of 2 cm3 to a volume of 325 cm3. To
1. 1 answer
2. 679 views
You inflate your car tires to a gauge pressure of 2.43 atmospheres at a temperature of 24 degrees C. After driving a couple of
1. 2 answers
2. 683 views
A vibrating stretched string has length 31 cm, mass 19 grams and is under a tension of 38 newtons. What is the frequency of its
1. 2 answers
2. 586 views
Two men are carrying a 9.00-m telephone pole that has a mass of 115 kg. If the center of gravity of the pole is 3.00 m from the
1. 3 answers
2. 769 views
Given two particles with 2.00 micro coulomb charges as shown and a particle with a charge q=1.28x16-18C at the origin. (A)What
1. 4 answers
2. 1,665 views
A thin ring of radius equal to 25 cm carries a uniformly distributed charge of 4.7 nC. What is the electric field and potential
1. 2 answers
2. 620 views
A large conducting plate of area equal to 4.0 m^2 has an evenly distributed surface charge of + 3.4 micro coulomb on its
1. 2 answers
2. 1,244 views
A thin ring of radius equal to 25 cm carries a uniformly distributed charge of 4.7 nC. What is the electric field and potential
1. 2 answers
2. 566 views
A large conducting plate of area equal to 4.0 m^2 has an evenly distributed surface charge of + 3.4 micro coulomb on its
1. 1 answer
2. 698 views
A square plate of copper with 50 cm sides has no net charge and is placed in a region of uniform electric field of 80.0 kN/C
1. 2 answers
2. 1,097 views
A ball is thrown upward from the top of a 40.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a
1. 2 answers
2. 1,391 views
In wandering, a grizzly bear makes a displacement of 1588 m due west, followed by a displacement of 3390 m in a direction 38.0°
1. 1 answer
2. 667 views
A tennis ball is dropped from 1.41m above the ground. It rebounds to a height of 0.932 m.The acceleration of gravity is 9.8 m/s2
1. 5 answers
2. 1,184 views
How do we know that 6 seconds of uniform accelerationat 60 mph is equivalent to 6 seconds travel at 30 mph?
1. 2 answers
2. 778 views
Two point charges of magnitudes -6.25 nano coulomb and -12.5 nano coulomb are separated by 25.0 cm There is a point A between
1. 2 answers
2. 1,123 views
Two point charges q1 and q2 are held 4.00 cm apart vertically. An electron released 3 cm from the middle point that is
1. 3 answers
2. 794 views
Two point charges q1 and q2 are held 4.00 cm apart vertically. An electron released at the middle point that is equidistant from
1. 4 answers
2. 1,130 views
Two point charges q1 and q2 are held 4.00 cm apart. An electron released at a point that is equidistant from both charges
1. 3 answers
2. 1,209 views

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