Physics

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The intensity of a sound wave is proportional to its A) wavelength. B) decibel level. C) power. ... Started by jazziefee	1 Replies 113 Views	Jul 27, 2018 by nicoleclaire22
Sphere A carries a net charge and sphere B is neutral. They are placed near each other on an ... Started by EAugust	1 Replies 268 Views	Jul 27, 2018 by rleezy04
A 0.17 kg baseball is thrown with a speed of 38.m/s and it is hit straight back to the pitcher with ... Started by gbarreiro	1 Replies 178 Views	Jul 27, 2018 by IRincones
Which of the following best explains why sweating is important to humans in maintaining suitable ... Started by Tirant22	3 Replies 50 Views	Jul 27, 2018 by wshriver
Increasing the spring constant k of a mass-and-spring system causes what kind of change in the ... Started by ishan	1 Replies 89 Views	Jul 27, 2018 by gstein359
The probability of Earth being hit by a 10 km asteroid in the next few hundred million years is ... Started by Mollykgkg	1 Replies 117 Views	Jul 27, 2018 by amit
The HertzprungRussell diagram is a plot of A) radial velocity against distance B) apparent ... Started by burton19126	1 Replies 81 Views	Jul 27, 2018 by SVictor
In order to double the average speed of the molecules in a given sample of gas, the temperature ... Started by Cooldude101	3 Replies 103 Views	Jul 27, 2018 by onowka
Asteroids which could possibly collide with the Earth at some time in the future are known as A) ... Started by captainjonesify	1 Replies 79 Views	Jul 27, 2018 by patma1981
The statement that heat energy cannot be completely transformed into work is a statement of which ... Started by jenna1	1 Replies 75 Views	Jul 27, 2018 by ecox1012
An ideal gas at STP is first compressed until its volume is half the initial volume, and then it is ... Started by Alygatorr01285	1 Replies 100 Views	Jul 27, 2018 by soda0602
The total distance traveled by an object in one complete cycle of Simple Harmonic Motion is ________ ... Started by drink	3 Replies 132 Views	Jul 27, 2018 by mohan
How many cm2 equal a m2? A) 10-4 B) 10-2 C) 102 D) 104 E) 106 ... Started by codyclark	1 Replies 49 Views	Jul 27, 2018 by jasonq
A submarine must travel how fast (with respect to the water) and be pointed in what direction such ... Started by Chloeellawright	1 Replies 71 Views	Jul 27, 2018 by cloud
An arrow of mass 20. g is shot horizontally into a bale of hay, striking the hay with a constant ... Started by corkyiscool3328	1 Replies 113 Views	Jul 27, 2018 by epscape
In electricity, what quantity is analogous to the acceleration of gravity g (which is a force per ... Started by D2AR0N	3 Replies 206 Views	Jul 27, 2018 by Chocorrol77
When a small spherical rock of radius r falls through water, it experiences a drag force (a)(r)(v), ... Started by renzo156	1 Replies 93 Views	Jul 27, 2018 by huda
One horsepower is equal to A) 550. watts. B) 746. watts. C) 746. J. D) 550. J. E) 550. ... Started by mckennatimberlake	1 Replies 123 Views	Jul 27, 2018 by Kedrick2014
Suppose that a source of sound is emitting waves uniformly in all directions. If you move to a point ... Started by anshika	1 Replies 127 Views	Jul 27, 2018 by at
What is the amplitude (in meters) of a wave whose displacement is given by y = 50. sin(0.20x + 120t) ... Started by Chloeellawright	3 Replies 38 Views	Jul 27, 2018 by Melissahxx
Sixty miles/hour is about how many meters/second? A) 96 B) 112 C) 1.6 D) 27 E) ... Started by saliriagwu	1 Replies 35 Views	Jul 27, 2018 by akemokai
At the upper right of the HertzprungRussell diagram we find A) red giant stars B) supergiant ... Started by erika	1 Replies 69 Views	Jul 27, 2018 by juicepod
Two Styrofoam balls, of radii R and 2R, are released simultaneously from a tall tower. Which will ... Started by fasfsadfdsfa	1 Replies 90 Views	Jul 27, 2018 by popopong
Do like magnetic poles repel or attract? What will be an ideal ... Started by javeds	3 Replies 105 Views	Jul 27, 2018 by KKcool
The range of distances that has remained habitable for the entire duration of the Sun's lifetime is ... Started by lracut11	1 Replies 65 Views	Jul 27, 2018 by akemokai