Physics

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A puck with a mass m1 = 28.0 g moving at 1.00 m/s approaches a stationary puck with a mass m2 = 102 ... Started by stock	1 Replies 102 Views	Jul 29, 2018 by tkempin
In a physics demonstration, two rubber balls are dropped down a tube towards the ground, with the ... Started by fnuegbu	3 Replies 308 Views	Jul 29, 2018 by kingfahad97
A radio station broadcasts at 80 MHz. How long does it take for this radio signal to travel a ... Started by chads108	1 Replies 2,593 Views	Jul 29, 2018 by flexer1n1
A surface on which all points are at the same potential is referred to as A) a constant electric ... Started by amal	1 Replies 24,968 Views	Jul 29, 2018 by ecox1012
How far does a beam of light travel in one full year? A) 80 1012 m B) 95 1014 m C) 30 108 m ... Started by madam-professor	1 Replies 2,694 Views	Jul 29, 2018 by ririgirl15
A hollow cylinder and a solid cylinder are constructed so they have the same mass and radius. Which ... Started by lilldybug07	3 Replies 407 Views	Jul 29, 2018 by maaaaaaaaaa
A uniform piece of wire, 20 cm long, is bent in a right angle in the center to give it an L-shape. ... Started by melina_rosy	1 Replies 74 Views	Jul 29, 2018 by s.meritte
In quantum tunneling, electrons and other quantum particles can tunnel through a region of space ... Started by codyclark	1 Replies 87 Views	Jul 29, 2018 by briezy
An athlete throws a ball with a velocity of 40 m/s at an angle of 20 above the horizontal. Which of ... Started by NguyenJ	1 Replies 80 Views	Jul 29, 2018 by gabrielle_lawrence
A monkey is sitting at the top of a tree 20 m high from the ground level. A person standing on the ... Started by saliriagwu	3 Replies 101 Views	Jul 29, 2018 by BAOCHAU2803
A rocket is fired in a gravity-free environment in deep space. The rocket has an initial mass of ... Started by Lisaclaire	1 Replies 146 Views	Jul 29, 2018 by tsternbergh47
Which of the following will increase the capacitance between the plates of a parallel plate ... Started by erika	1 Replies 61 Views	Jul 29, 2018 by Dunkey
If the frequency of a photon is halved, what happens to its energy? A) It is doubled. B) It is ... Started by notis	1 Replies 67 Views	Jul 29, 2018 by Chou
For which value of is the range of a projectile fired from ground level a maximum? A) 30 above ... Started by Ebrown	3 Replies 112 Views	Jul 29, 2018 by kilada
The rms value of the electric field component of an electromagnetic wave is 27.2 N/C. What is the ... Started by anshika	1 Replies 80 Views	Jul 29, 2018 by verrinzo
The current definition of the standard kilogram of mass is based on A) the mass of the earth. B) ... Started by jasdeep_brar	1 Replies 67 Views	Jul 29, 2018 by fraziera112
If the initial speed of a projectile is doubled. A) Its range will be increased by 1.41. B) Its ... Started by bobbysung	1 Replies 51 Views	Jul 29, 2018 by abro1885
When you decrease, by a factor of two, the wavelength of the light causing photoelectrons to be ... Started by kaid0807	3 Replies 92 Views	Jul 29, 2018 by yuyiding
A projectile is launched with initial velocity v0 at an angle of 30 above the horizontal. If a ... Started by formula1	1 Replies 239 Views	Jul 29, 2018 by fromAlphatoOmega22
A ball is thrown with a velocity of 40 m/s at an angle of 30 above the horizontal and attains a ... Started by james9437	1 Replies 92 Views	Jul 29, 2018 by SamMuagrove
Rolling without slipping depends on static friction between the rolling object and the ground. ... Started by Yi-Chen	1 Replies 171 Views	Jul 29, 2018 by millet
Which one of the following equations is correct for the maximum kinetic energy of photoelectrons ... Started by kaid0807	3 Replies 112 Views	Jul 29, 2018 by pallen55
An organ pipe, open at both ends, is 5.20 m long. What is its fundamental frequency? The speed of ... Started by kaid0807	1 Replies 85 Views	Jul 29, 2018 by Kedrick2014
A proton falls through a potential drop of 400 V. How much is the change of potential energy of this ... Started by abern	1 Replies 67 Views	Jul 29, 2018 by CAPTAINAMERICA
The frequency of a light beam is doubled. Which one of the following is correct for the momentum of ... Started by stock	1 Replies 71 Views	Jul 29, 2018 by yeungji