Physics - February 2007

2007-02-10 04:33:16 · 14 answers · asked by cblrdy 6

2007-02-10 04:29:29 · 3 answers · asked by russell c 2

Estimate the thickness of the paper in mm?

2007-02-10 04:24:14 · 12 answers · asked by TP 1

Explain why?

2007-02-10 04:23:20 · 21 answers · asked by TP 1

He records the length as 5.34 m and the breadth as 7.19 m. What would be the “best” value which could be given for the area of the plot?

2007-02-10 04:21:04 · 4 answers · asked by TP 1

Why is that a thrown baseball, for example, have "energy" and "momentum", both of which are conserved? What's the point of having both of them?

Originally, Newton only proposed a "quantity of motion", which is momentum. HIs works did not include kinetic energy. Kinetic energy was theorized by others, such as Galileo, Leibniz, Young, and it was even pointed out by Playfair that it may not be necessarily conserved!

If we have momentum, what's energy, then?

2007-02-10 04:02:22 · 3 answers · asked by Scythian1950 7

This would be a shock to promote caution and allertness, as a warning more than punishment. PLEASE INCLUDE SOURCES if possible

2007-02-10 03:43:10 · 2 answers · asked by MatrimonialHeadMask 2

please explain why or why not.

2007-02-10 03:22:57 · 8 answers · asked by Sir Alex 6

does the bouyant force on it increase or remain unchanged?

2007-02-10 03:17:00 · 10 answers · asked by greenbeast 1

2007-02-10 02:17:29 · 3 answers · asked by secret 1

1. An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located?

A. 5.0 millimeters
B. 7.5 millimeters
C. 15 millimeters
D. 30 millimeters

2007-02-10 02:11:51 · 11 answers · asked by tami c 1

1. An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located?

A. 5.0 millimeters
B. 7.5 millimeters
C. 15 millimeters
D. 30 millimeters

2007-02-10 02:10:54 · 2 answers · asked by tami c 1

a load of mass 50kg stands on the horizontal floor of a goods lift which is accelerating vertically downwards at 2 m/s2.calculate the magnitude of the constant force exerted on the load by the floor.then a man who is in the lift ,ehich is still accelerating downwards at 2m/s2 ,pushes the load horizontally and the load is on the point of slipping ,given that the coefficient of friction between the load and the floor is 0.3, calculate the magnitude of the force exerted on the load by the man.

2007-02-10 01:46:05 · 4 answers · asked by Anonymous

Am I correct in theorizing that if its instantaneous then you just moved information faster than the speed of light? Does the length of the string really matter?

2007-02-10 01:08:01 · 7 answers · asked by bobdubay 2

2007-02-10 00:45:31 · 9 answers · asked by Anonymous

Men of older generation used to say that all knowledge is
there in the Vedas. Anyone who hears such words will have
the first reaction that it is an over confident statement.
The Rig Veda Bhashyam by Sayana Madhava gives the following
Sloka praising the Sun:

"Yojanam sahasre dve, satadve, dvecha yojane
Ekena nimeshardhena kramamaana namosthuthe".

Two centuries before him, Adi Kavi Nannaya wrote a Telugu
sloka to give the same meaning.

One Yojana equals 15788.8 meters, and half of Nimesha
equals 8/75 fraction of a second. This gives the velocity
of light as 325940 km/s. We have to remember here that the
above value is an approximate one intended for easy
remembrance, like remembering the value of pi as 22/7. It
is better than the value 215000 km/s given by Danish
astronomer Ole Roemer in 1676. The word
"kramamaana" means that the velocity of light changes
over millions of years, and not an universal constant.
Can any person suggest an experiment to prove this?

2007-02-10 00:39:03 · 5 answers · asked by Anonymous

2007-02-10 00:26:13 · 5 answers · asked by Peggy C 1

If a television set were laid on its back, wold electrons be able to move upward against the force of gravity?
What potential difference, acting over a distance of 3 cm would be needed to balance the downward force of gravity so that an electron would remain stationary? Assume that the electric field is uniform.

2007-02-10 00:11:46 · 3 answers · asked by Kala J 3

String theory and quantum physics suggest that there are numerous, inconceivably small extra dimensions coiled up in every measurable corner of what we experience as 4D space/time. Can energy have form and consciousness without having substance (physical matter). If so could this energy access and or emanate from these tiny recesses in reality?

2007-02-09 23:35:51 · 6 answers · asked by Anonymous

?

2007-02-09 22:48:30 · 4 answers · asked by Anonymous

2007-02-09 22:44:39 · 6 answers · asked by eltouro 2

The nominal distance (12Kft) is unknown. I'd like to know about the technical capability of the LRF devices.

2007-02-09 21:39:13 · 2 answers · asked by hryigal 1

2007-02-09 21:36:14 · 3 answers · asked by sanjeeva 1

2007-02-09 21:33:34 · 5 answers · asked by sanjeeva 1

I know space is a vacuum. but imagine being able to broadcast a message over the world so everyone can hear.

2007-02-09 20:26:14 · 7 answers · asked by Anonymous

2007-02-09 20:24:27 · 7 answers · asked by Chandra 1

2007-02-09 20:11:19 · 1 answers · asked by absentmindednik 3

I have a 7.2v 1200 mAH battery charger which I use for my RC car. I intend to use the same charger for my RC plane's rechargeable battery pack with a rating of 7.2v 600mAH. Will this work?

2007-02-09 19:44:37 · 2 answers · asked by paranoid 2

2007-02-09 19:22:07 · 9 answers · asked by pro man 1

what is the 3 types of potential energy and what is their formulas?

2007-02-09 19:20:48 · 3 answers · asked by Anonymous