Physics

Replies / Views	Last post
An object is thrown upwards with a speed of 13 m/s. How long does it take to reach a height of 4.0 m ... Started by kodithompson	3 Replies 124 Views	Jul 27, 2018 by ttt030911
The electric field between the plates of a parallel plate capacitor is inversely proportional to the ... Started by Pineapplelove6	1 Replies 86 Views	Jul 27, 2018 by chevyboi1976
What happens to the velocity of sound in a gas when the absolute temperature of that gas is doubled? ... Started by JGIBBSON	1 Replies 126 Views	Jul 27, 2018 by catron30
An astronaut lands on a previously unknown planet of radius 2350. km and she measures the ... Started by cagreen833	1 Replies 100 Views	Jul 27, 2018 by wergv
The SAE grade (e.g. SAE 20W) is an indicator of oil A) surface tension. B) pressure. C) ... Started by 09madisonrousseau09	3 Replies 357 Views	Jul 27, 2018 by jazzlynnnnn
A glass rod is rubbed with a piece of silk. During the process the glass rod acquires a positive ... Started by genevieve1028	1 Replies 142 Views	Jul 27, 2018 by paavo
If we allow for a simple runaway greenhouse effect, the inner boundary of the Sun's habitable zone ... Started by gonzo233	1 Replies 106 Views	Jul 27, 2018 by fur
A plane, flying horizontally, releases a bomb, which explodes before hitting the ground. Neglecting ... Started by colton	1 Replies 112 Views	Jul 27, 2018 by JYan
Which of the following stars is the coolest? A) B7 B) G9 C) K7 D) ... Started by abc	3 Replies 56 Views	Jul 27, 2018 by Li Jun
What happens to a simple pendulum's frequency if both its length and mass are increased? A) It ... Started by scienceeasy	1 Replies 75 Views	Jul 27, 2018 by vish98
A fossil is found in a layer of strata below one layer dated at 8 million years. From this we can ... Started by tiara099	1 Replies 98 Views	Jul 27, 2018 by hramirez205
When a baseball pitcher throws a curve ball, he makes the ball spin about an axis ________ the ... Started by student77	1 Replies 187 Views	Jul 27, 2018 by pikon
A 30. N stone is dropped from a height of 10. m, and strikes the ground with a velocity of 13. m/s. ... Started by BrownTown3	3 Replies 290 Views	Jul 27, 2018 by stillxalice
Billy swims to a point straight across a 100. m wide river that flows at 1.2 m/s. How long does it ... Started by craiczarry	1 Replies 116 Views	Jul 27, 2018 by Tabitha_2016
Diffusion is described by A) Boyle's law. B) Kepler's law. C) Charles' law. D) Graham's law. ... Started by itsmyluck	1 Replies 69 Views	Jul 27, 2018 by Sierray
A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes ... Started by arivle123	1 Replies 83 Views	Jul 27, 2018 by skipfourms123
Phase changes occur with an attendant A) convection. B) temperature decrease. C) temperature ... Started by jparksx	3 Replies 87 Views	Jul 27, 2018 by blfontai
The absolute potential at the center of a square is 3. V when a charge of +Q is located at one of ... Started by khang	1 Replies 69 Views	Jul 27, 2018 by lucas dlamini
The decibel level of sound is related to its A) wavelength. B) intensity. C) velocity. D) ... Started by itsmyluck	1 Replies 81 Views	Jul 27, 2018 by ryrychapman11
Holly intends to swim to a point straight across a 100. m wide river that flows at 1.2 m/s. If she ... Started by fbq8i	1 Replies 119 Views	Jul 27, 2018 by robbielu01
An electron and a proton are separated by a distance of 1 m. What happens to the size of the force ... Started by mia	3 Replies 141 Views	Jul 27, 2018 by Ksh22
A wooden block slides directly down an inclined plane, at a constant velocity of 6.0 m/s. How large ... Started by lak	1 Replies 210 Views	Jul 27, 2018 by yeungji
Increasing the mass m of a mass-and-spring system causes what kind of change on the resonant ... Started by EAugust	1 Replies 133 Views	Jul 27, 2018 by carojassy25
As a system loses its ability to do useful work A) energy increases. B) entropy decreases. C) ... Started by KimWrice	1 Replies 129 Views	Jul 27, 2018 by Li Jun
The escape velocity is how many times the orbital velocity? A) B) 2 C) 2 D) 4 ... Started by itsmyluck	3 Replies 110 Views	Jul 27, 2018 by cupcake16