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physics 12- dynamics

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PHYSICS
Can light speed be accelerated and why

physics
what are the dangers of radioactive isotopes?

Maths.physics.chemestry.english
6x+1/2a -x-2/2a

Physics
If D=7i-3j+2k and E=4i+5j-3k. Find the scalar product of D.E

Physics
If D=7i-3j+2k and E=4i+5j-3k. Deduce angle between D and E

Physics
Given m=2.0kg h=2cm

physics
what is electric field lines

Physics
I want to know how they found out the value of G

Physics help
what does a mirror do to images that it reflects

Physics
Unit 7 Heat And Temperature

physics
plz solved kre

physics
what is pin hole cemera

physics
There are 6 resistor of resistance 1ohm

Physics
What is the critical angle of benzene is 1.5

physics
What is the constant value of gravitation ?

Physics
Why is the joule-second (J*s) equivalent to kg*m^2/s ?

Physics
What the hell are u teaching people!!! :)

physics
What is the angle between A and B vectors for which A+B=A-B ?

Physics
Convert to m/s 40m/min

physics
what is gravitational field of the earth?

Probability
The probability that a student passes a physics test is 2/3 and the probability that he passed both physics test and an english test is 14/15. The probability. The probability that he passes at least one test is 4/5. What is the probability that he passes the english test.

PHYSICS
A 20N crate starting at rest slides down a rough 5.0m ramp, inclined at 25 degress with the horizontal. 20j of energy is lost due to friction. what will be the speed of the crate at the bottom of the incline? i need some help these one i don't know where to start For Further ...

Physics help please
In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an insulated container of ...

Physics
Halley’s comet orbits the Sun with a period of 76.2 years. a) Find the semi-major axis of the orbit of Halley’s comet in astronomical units (1 AU is equal to the semi-major axis of the Earth’s orbit Physics - drwls, Thursday, May 5, 2011 at 8:51am There is a simple form ...

Physics(Please help)
A skier slides horizontally along the snow for a distance of 11.9 m before coming to rest. The coefficient of kinetic friction between the skier and the snow is 0.0458. Initially, how fast was the skier going? I do not know how to start this. Thank you. Physics(Please help) - ...

Physics
A hollow glass block floats in a container of ethanol. Initially, everything is at a temperature of 20 degrees C, and 6% of the block is above the surface of the ethanol. If you everything gradually and evenly, at what temperature will the block sink to the bottom? Beta value ...

Physics-Please check if I did this correctly
I posted this question this morning but I'm not sure of the response Damon provided. I did it once but then I updated it later in this at the bottom- please check booth of my answers. If you were in a rotor style ride and the riders accelerate until the speed of ride is ...

Physics (PROJECTILE MOTION)
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 43.9 m above the...

physics
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.65m/s . Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 54.8m above the ...

physics
In a physics lab, students are asked to predict how the acceleration of the block sliding up a ramp compares to the acceleration down the ramp compares to the acceleration down the ramp. The block slides up a somewhat rough surface inclined at an angle of theta above the ...

Physics
Halley’s comet orbits the Sun with a period of 76.2 years. a) Find the semi-major axis of the orbit of Halley’s comet in astronomical units (1 AU is equal to the semi-major axis of the Earth’s orbit Physics - drwls, Thursday, May 5, 2011 at 8:51am There is a simple form ...

Physics
The hockey captain, a physics major, decides to measure the speed of the hockey puck, He loads a small styrofoam chest with sand, giving it a total mass of 6.4 kg. He places the chest and embeds itslef in the styrofoam. The chest moves off at 1.2 m/s. What was the puck's speed...

Physics
Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises in the air. a) what is the highest point ...

Physics
Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises in the air. a) what is the highest point ...

physics
hello! I have been having a lot of trouble with one physics problem that I have for homework: any help would be greatly appreciated! 'A block of mass 12 kg starts from rest and slides a distance of 8 m down an inclined plane making an angle of 40 with the horizontal. The ...

Physics
A hot air balloon is hovering at an altitude of 6000 meters. The pilot decides that it is time to descend and turns off the balloon's burners. Once the balloon reaches the ground, the gas inside the balloon occupies 980 m^3 and is at atmospheric pressure. If the pressure of ...

Physics
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 × 104 m/s, and the radius of the orbit is 5.80 × 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of 8....

PHYSICS
A 20N crate starting at rest slides down a rough 5.0m ramp, inclined at 25 degress with the horizontal. 20j of energy is lost due to friction. what will be the speed of the crate at the bottom of the incline? i need some help these one i don't know where to start For Further ...

physics
(a) What is the wavelength of a 450 Hz tone in air?

physics
Convert 1.00 km/h to m/s using 1 km = 1000 m and 1 h = 3600 s

physics
when is a velocity is zero and acceleration nonzero?

physics
Can a resultant of two vectors be negative?

Physics
What velocity does the other glider have?

Physics
How does a semiconductor differ from a conductor or an insulator?

homework ath physics
how to become en expert?

physics
I also need help with 9.67nm=???km and 2.3X10 to the -4g=????ng

Physics
Why is an airbag good use in a car?

intergrated physics and chemistry
how is work expressed

Physics
6. Why do we not list black and white as colors?

physics
why is steel more elastic than rubber

Physics
How do you write 600nm in scientific notation?

Physics
What does it mean to say that something is quantized?

Physics
How do you write 25um in scientific notation?

Physics
Why are some sunglasses polarized horizontally?

Physics
What is the formula for finding work? like W=

Physics
How are series and parallel circuits wired?

physics
what are the different layers of fiber optics

Physics
Optical Fibre at the bottom of the sea

physics (electricity)
what is charging(electrifying) by induction?

Physics
can scientific laws be changed by a vote?

physics
A woman has a mass of 64.2 kg. What is her weight on earth?

physics
A man weighs 75 kg. What is his weight on the moon, where g=2.21 m/s2

PHYSICS!!!
does anyone know the fundamentals of thw measure units??

physics
Using units, show that kg x m/s is equivalent to N x s

physics
Using units, show that kg x m/s is equivalent to N x s

Physics
Does anyone know the terminal velocity of a human being?

physics
what is the correct equation for the reaction of HBr with Ca(OH)2-

Physics
In my last post, I'm confused how drwls got P2/P1 = 14.8

physics
please answer my question below

Physics
Using the following equation: F=ma Solve for m.

physics
manipulate the following equation to solve for t: s=1/2a t^2.

Physics
can a virtual image be projected on a screen? thanks :)

physics
can pontential energy ever be negative?

physics
is the bubble chamber an example of thermodynamics?if not then what?

Physics
here's my lab h t t p : / / w w w . m e d i a f i r e . c o m / ? sharekey=078256673f2b4a3dd9d5c56d04dfa8b0e04e75f6e8ebb871

physics
Three vectors are given by = 1.0 + 3.0 + -4.7, = 2.0 + 2.0 + -4.0, and = 3.0 + -4.2 + -4.0. Find (a)·( × ) and (b)·( + ).

Physics
Write in standard form 378.72

Physics
What is an essential characteristic of an object in equilibrium?

physics
Given: 2020 Hz, at 404 m/s, Lambda=................m

physics 20
how do you know when the resultant force is = to 0 ? is it when the object is not in motion?

Physics
How do you divide 4.0 V by .041 A? Would the answer be: 97.6

Physics 11/Chemistry 11
What is the heating capacity of Zinc?

Physics
how do you find the mass of a nitrogen molecule?

physics
what is the mass of a 1000N man on earth?

physics
what's the difference between weight and mass?

physics
what's the difference between weight and mass?

physics
what can we learn from an analysis of a stellar spectrum?

physics
How can you solve for that problem, by using another approach?

physics
how do green plants produce food

Physics
Please respond to my previous post.

physics
What must a muscle do in order to do work?

Physics
what is the force on a body of a mass 77-kg when its acceleration is 4m/s^2?

physics
How do you find the protons acceleration at this instant then?

physics
what are some examples of sources of energy?

Physics
Differentiate the given function? y= 6/t + 3/t^2 -5/sqrt(t) dy/dt=?

physics
why helium gas absorb heat?

physics
how far will 350 J raise a 7 kg mass?

Physics
The mass of a paper clip is approximately 1. 1 x 10^.6 kg 2. 1 x 10^3 kg 3. 1 x 10^-3 kg 4. 1 x 10^6 kg

physics
What is the heat capacity of 20.0 kg of silver? kcal/K

Physics
What is the energy of a hydrogen atom with a 1.70 nm diameter?

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