Physics

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A crane lifts a steel submarine (density = 7.8 103 kg/m3 ) of mass 20,000 kg. What is the tension ... Started by iveyjurea	3 Replies 250 Views	Jul 27, 2018 by ebonylittles
If ice were denser than water, during winter lakes and ponds would A) completely freeze B) ... Started by pane00	1 Replies 137 Views	Jul 27, 2018 by kjo;oj
A mercury thermometer has a bulb of volume 0.100 cm3 at 10.C. The capillary tube above the bulb has ... Started by joblessjake	1 Replies 158 Views	Jul 27, 2018 by carolinefletcherr
Only odd harmonics can be produced in a(n) ________ organ pipe. A) closed B) narrow C) open D) ... Started by acc299	1 Replies 91 Views	Jul 27, 2018 by yeungji
Climate models predict that due to the melting of the polar ice caps, sea levels by the end of this ... Started by olgavictoria	3 Replies 96 Views	Jul 27, 2018 by nhea
How much energy is necessary to place three charges, each of 2.0 C, at the corners of an equilateral ... Started by jman1234	1 Replies 64 Views	Jul 27, 2018 by frejo
A spring has 0.770 kg oscillating on it with a period of 1.25 seconds. (a) What is the frequency? ... Started by laurencescou	1 Replies 114 Views	Jul 27, 2018 by Chou
Increasing the resistance of a voltmeter's series resistance A) converts it to an ammeter. B) ... Started by amal	1 Replies 74 Views	Jul 27, 2018 by jharrington11
Given that there are several hundred billion stars in the Milky Way Galaxy and preliminary data from ... Started by drink	3 Replies 92 Views	Jul 27, 2018 by bubulittle310@msn.cn
At room temperature (20.C) the area of a hole in a sheet of material is 5.505 cm2. When heated to ... Started by serike	1 Replies 88 Views	Jul 27, 2018 by Andromeda18
State the law of reflection. What will be an ideal response? ... Started by humphriesbr@me.com	1 Replies 87 Views	Jul 27, 2018 by C.mcnichol98
A charged particle is observed traveling in a circular path in a uniform magnetic field. If the ... Started by RYAN BANYAN	1 Replies 115 Views	Jul 27, 2018 by underwood14
Suppose you want to set up a simple pendulum with a period of 0.250 s. (a) What length is ... Started by corkyiscool3328	3 Replies 130 Views	Jul 27, 2018 by sierrahalpin
The average power dissipated in an RLC circuit is I2rms R where R is the Reactance. Indicate ... Started by wenmo	1 Replies 103 Views	Jul 27, 2018 by iman
The resistance of an object is defined as A) (length)/(resistivity)(cross-sectional area). B) ... Started by stock	1 Replies 103 Views	Jul 27, 2018 by chevyboi1976
The temperature is such that the rms speed of nitrogen molecules is 900. m/s at 750. mm Hg pressure. ... Started by deesands	1 Replies 80 Views	Jul 27, 2018 by Galvarado142
A reversible engine takes in 555. Joules per second and exhausts 482. watts. (a) How much power ... Started by fox	3 Replies 110 Views	Jul 27, 2018 by dpost18
Consider an open pipe of length L. What are the wavelengths of the three lowest tones produced by ... Started by Kthamas	1 Replies 71 Views	Jul 27, 2018 by nickk12214
The equation of motion of a particle undergoing simple harmonic motion is y = 2.0 sin(0.60t), where ... Started by hbsimmons88	1 Replies 161 Views	Jul 27, 2018 by emilymalinowski12
A fighter plane moving 200 m/s fires a projectile with speed 50 m/s in a forward direction. The ... Started by TVarnum	1 Replies 267 Views	Jul 27, 2018 by dellikani2015
If originally there were X atoms of radioactive isotope present and now there are only X/16 atoms, ... Started by Pea0909berry	3 Replies 271 Views	Jul 27, 2018 by BAOCHAU2803
Negative temperature coefficients of resistivity A) exist in superconductors. B) do not exist. ... Started by fagboi	1 Replies 94 Views	Jul 27, 2018 by voltaire123
A 60. gram toy rocket achieves a speed of 80. m/s after 3.0 s, when fired straight up. What is the ... Started by chandani	1 Replies 111 Views	Jul 27, 2018 by duy1981999
What is the average separation between air molecules at STP? What will be an ideal ... Started by jake	1 Replies 63 Views	Jul 27, 2018 by cassie_ragen
A 1.33 kg dense mass is on the end of a 4.50 m string. (a) What would be the period of the ... Started by jilianpiloj	3 Replies 83 Views	Jul 27, 2018 by macagnavarro