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April 20, 2014

Search: phisic

Number of results: 23

PHISIC help
the waves will spread out less
Thursday, December 20, 2012 at 4:56am by guleet

PHISIC help
the waves will spread out less
Thursday, December 20, 2012 at 4:56am by guleet

Phisic
Figure the distances for each leg, and add them. I will be happy to critique your work.
Monday, August 23, 2010 at 12:21pm by bobpursley

PHISIC
no. The question asked what happened to the energy as it hit the ground and slowed then moved up. Remember hooke's law?
Wednesday, December 19, 2012 at 8:15am by bobpursley

PHISIC help
As the wavelength decreases, the spreading of the wave at the edges of the aperture also diminishes => the waves will spread out less
Thursday, December 20, 2012 at 4:56am by Elena

Phisic mechanic
A) 1/2mv^2 - 1/2 mv^2= work The first is the final KE The second is the initial KE which = 0 since it was at rest
Monday, October 4, 2010 at 12:37am by Dee

Phisic mechanic
A) 1/2mv^2 - 1/2 mv^2= work The first is the final KE The second is the initial KE which = 0 since it was at rest
Monday, October 4, 2010 at 12:37am by Dee

PHISIC
I think kinetic energy is converted into gravitational potential then into strain energy .how about this is it correct plz help
Wednesday, December 19, 2012 at 8:15am by sam

Phisic mechanic
An applied force varies with position according to eq. Fx = 3x3 - 5, where x is in m, and Fx in N. What is the work of this force on a body that moves from x to x = 4 m = 7 m?
Monday, October 4, 2010 at 12:36am by cls

phisic
Consider an airplane that normally has an air speed of 120 km/h in a 105 km/h crosswind blowing from west to east. Calculate its ground velocity when its nose is pointed north in the crosswind?
Tuesday, February 22, 2011 at 4:29am by macarena

PHISIC help
KE -> PE(of elastic deformation) -> KE
Friday, December 21, 2012 at 12:29pm by Elena

phisic
Treating air as an ideal gas of diatomic molecules, calculate how much heat is required to raise the temperature of the air in an 7.47 m by 14.9 m by 2.87 m room from 19.9C to 21.7C at 101 kPa. Neglect the change in the number of moles of air in the room
Tuesday, May 3, 2011 at 10:18am by please help me

Phisic mechanic
A car of 1,500 kg accelerates uniformly from rest to a speed of 10 m / s in 3 s. (A) Find the work done on the car during that interval. (B) Find the average power developed by the engine in those first 3 s. (C) Find the instantaneous power of the motor at t = 2 s.
Monday, October 4, 2010 at 12:38am by cls

Phisic mechanic
A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m. Neglecting friction between the car and roadway: (A) What is the final velocity v of the car? (B) What horizontal force exerted on the car?
Monday, October 4, 2010 at 12:37am by cls

Phisic mechanic
A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m. Neglecting friction between the car and roadway: (A) What is the final velocity v of the car? (B) What horizontal force exerted on the car?
Monday, October 4, 2010 at 12:37am by Anonymous

phisic
The volume of the room is 7.47x14.9x2.87 = 319.4 m^3 = 319.4*10^3 liters. not 319.4*10^6 liters.
Tuesday, May 3, 2011 at 10:18am by swcb

phisic
The volume of the room is 7.47x14.9x2.87 = 319.4 m^3 = 319.4*10^3 liters. not 319.4*10^6 liters.
Tuesday, May 3, 2011 at 10:18am by swcb

PHISIC help
A bouncy rubber ball is dropped from a height of about a metre above the ground .it falls to the ground, bounces and then rises back to almost the height from which it was dropped. Describe the main energy transformations that take place from the point at which the ball first ...
Friday, December 21, 2012 at 12:29pm by zak

Phisic
A driver runs to the south at 20 m / s for 3 min, then turns west and runs to 25 m / s for 2 min, and finally turns to the northwest at 30 ni / s for I min. Find in this movement, 6 min, (a) the displacement vector the driver, (b) the speed climb and the average driver (C) the...
Monday, August 23, 2010 at 12:21pm by EXCEL

PHISIC help
water waves in a ripple tank are diffracted by a narrow aperture.if the wavelength of the water waves is decreased slightly whilst keeping the aperture size the same ,which one of the following will happen? the waves will spread out more the waves will spread out less the ...
Thursday, December 20, 2012 at 4:56am by alicya

PHISIC
A bouncy rubber ball is dropped from a height of about a metre above the ground .it falls to the ground, bounces and then rises back to almost the height from which it was dropped. Describe the main energy transformations that take place from the point at which the ball first ...
Wednesday, December 19, 2012 at 8:15am by sam

phisic
A block of mass m1 = 26 kg rests on a wedge of angle θ = 48∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Saturday, October 5, 2013 at 7:48pm by al1974

phisic
(a) One such reaction fuses two nuclei of carbon-12 (12/6C ) to form an atom of neon (20/10Ne ) with the emission of an α-particle. Write an equation for this process, indicating the atomic number and mass number of each of the products in the usual way. (b) Another ...
Saturday, April 20, 2013 at 5:45pm by john ergent help pleaseeeeeeeeeeeeeeeeeee?

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