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Physics
Page 96
Questions (147,417)
How does the conservation of mechanical energy explain why a planet in an elliptical orbit changes speed?
1 answer
asked by
Anonymous
346 views
I'm really unsure of how to approach this question...
Polystyrene has a very low dielectric constant compared to most other solid
1 answer
asked by
Sandra
356 views
We compare a silicon chip to a nerve membrane, with silicon having (about) twice the dielectric constant of the nerve membrane.
2 answers
asked by
Jane
504 views
At what distance from a carbon nucleus is the electric potential 1.8 V? Carbon atoms have 6 electrons in the atomic shell
...im
3 answers
asked by
Lauren
373 views
What is the fundamental frequency for tube resonating in water if the speed of sound was 343.5 and the tube was 0.274 m out of
1 answer
asked by
Ash
385 views
h t t p : / / i m g 2 0 5 . i m a g e s h a c k . u s / i / c a p t u r e b b . j p g /
i am stuck on part c how do i find work
4 answers
asked by
Kate
423 views
If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill?
1 answer
asked by
Leah
398 views
If a bobsled with a total mass of 250kg, reaches the bottom of the hill at a speed of 92mph, how tall was the hill?
I do not
1 answer
asked by
Leah
391 views
h t t p : / / i m g 7 1 5 . i m a g e s h a c k . u s / i m g 7 1 5 / 2 7 6 9 / c a p t u r e q u . j p g
I need help with c. for
1 answer
asked by
Kate
236 views
A hypothetical spherical planet consists entirely of iron (p=7860 kg/m^3). Calclate the period of a satellite that orbits just
1 answer
asked by
ALan
423 views
What is the difference in shape on a graph 70 degrees south of east and 70 degrees east of south?
1 answer
asked by
jake
354 views
Name three ways in which you can reduce the distortion due to diffraction of a wave passing through an aperture.
-large aperture
1 answer
asked by
sh
438 views
A melon of weight 12 N (near the surface of Earth) is moved through a displacement of magnitude 1.00 m.
What happens to the
1 answer
asked by
Anonymous
345 views
A hypothetical spherical planet consists entirely of iron (p=7860kg/m^3). Calculate the period of a satellite that orbits just
1 answer
asked by
Anonymous
422 views
What characteristic of water would you be investigating when you place a small drop of water on wax paper and when you try to
1 answer
asked by
Janet
387 views
A wheel with an I of 5.00 kg-m^2 starts at rest & accelerates under a constant torque of 3 N-M for 8 seconds. what is the
1 answer
asked by
Anonymous
414 views
On a bright sunny day the irradiance on the surface of the ocean is 1.6*10^17 photons cm^-2 s^-1. If k=0.02 m^-1
a) How much
1 answer
asked by
Krysten
367 views
What's the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical?
1 answer
asked by
Max
308 views
∆L = á Lo ∆T
(25.054 cm - 25.000 cm) = á (25.000 cm)(102°C - 25°C) .054 = a(1925) 1925/.054 = 35648.14 Did I solve the
1 answer
asked by
Hannah
402 views
Hi, I have the following question:
1. The index of refraction for a prism is given by the equation: n = 1.58 − (6.41 x 10^4)λ
1 answer
asked by
Joseph
428 views
A 15 μA current starts flowing in a circuit with a 3.0 μF capacitor of area 40 cm^2 at t = 0 s.(a) How fast is the voltage
1 answer
asked by
Sandhya
393 views
How far from the center of the earth must a person be located in space so t hat his/her weight would be the same as when he/she
1 answer
asked by
Geri
379 views
What is the equation for work?
1 answer
asked by
Jeff
260 views
A person walks 24.0° north of east for 2.80 km. How far would another person walk due north and due east to arrive at the same
1 answer
asked by
Kate
398 views
An arrow with a mass of 30g is shot straight up to a height of 130m what is the arrow's initial velocity?
3 answers
asked by
Justin
439 views
what is the weight of a 10kg object on the moon if it is 1/6 that of the earth?
1 answer
asked by
Eric
386 views
If two resistors are connected in parallel, I know that they share the same voltage but how would you determine their current?
1 answer
asked by
Sandra
350 views
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
3 answers
asked by
J
353 views
GSM networks use microwaves of 20 cm in wavelength.
What is the energy carried by one trillion (10^12) photons of this wavelength
3 answers
asked by
Johnny
384 views
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
1 answer
asked by
J
343 views
A 80.00 kg object is hanging from two ropes. One rope (F1) is pulling due West. The second rope (F2) is pulling 80.00 degrees up
1 answer
asked by
Sarah
421 views
What would be the physical features of a simplified axon? and how would it differ from a natural axon?
1 answer
asked by
mm.
404 views
On a bright sunny day, the irradiance on the surface of the ocean is 1.6*10^17 photons cm^-2 s^-1. If k=0.02 m^-1
a)How much
1 answer
asked by
Krysten
340 views
At a spot in the ocean , the surface irradiance is 7.8*10^16 photons cm^-2 s^-1, and k=0.14 m^-1. At what depth does the
3 answers
asked by
Krysten
361 views
(a) How far from a 53.6 mm focal-length lens must an object be placed if its image is to be magnified 2.12X and be real?
(b) What
1 answer
asked by
Anonymous
365 views
I have an exam in oceanography coming up and I'm having a little trouble understanding directions. For example in my review
1 answer
asked by
Krysten
405 views
Two charged Ping-Pong balls separated by a distance of 1.20 m exert an electric force of 0.0300 N on each other. What will be
3 answers
asked by
Dar
1,613 views
A car is driven 135 km west and then 40 km southwest. What is the displacement of the car from the point of origin (magnitude
1 answer
asked by
Aastha
408 views
Under what conditions will a 0.0300 kg marble and a 3.00 kg rock have the same gravitational potential energy other than zero
1 answer
asked by
Shelby
394 views
Why is sin theta used in the torque formula while the work formula uses cosine theta?
1 answer
asked by
Morgan
341 views
An ideal gas is squeezed slowly from state A (pressure-600 kPa, volume- 1 L) to B ( pressure-400kPa, volume- 0.5 L).
What is the
1 answer
asked by
Chris
386 views
Mercury vapour is used in as the dominant species which is excited in a traditional fluorescent light. The first and second
1 answer
asked by
Max89
352 views
In which of the situations listed below is energy being transferred as heat to the system in order for the system to do work? In
4 answers
asked by
Edward
1,775 views
Catching a wave, a 65 kg surfer starts with a speed of 1.3 m/s, drops through a height of 2.10 m, and ends with a speed of 8.2
5 answers
asked by
Carden
386 views
You can get a sunburn on a cloudy day, but you can't get a sunburn even on a sunny day if you are behind glass. why?
1 answer
asked by
Carl
323 views
To reduce the frequency of a particle when it behaves like a wave, we need to ...
-Increase its mass -Reduce its speed -Increase
5 answers
asked by
Kat
433 views
A new computer has a virus and you throw it out the window which is 10m above the ground. If the mass of the computer is 5.7kg,
1 answer
asked by
Brennen
426 views
A wall is made of a substance whose thermal conductivity is .93 J / (m sec Celsius). What is the outside temperature of the wall
1 answer
asked by
Plaster
394 views
Use Bernoulli's equation to determine the velocity with which water will exit from a hole in a uniform cylinder when the
1 answer
asked by
Plaster
394 views
Mercury has a density about 13.6 times that of water. How high could you raise a column of mercury by increasing pressure to 8.2
1 answer
asked by
Plaster
432 views
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