Physics, 22.07.2019 14:00 BreBreDoeCCx
Rock is whirled around in a circle with a slingshot. as the rock leaves the slingshot, it has an instantaneous velocity in a straight line. how do newton's laws of motion explain this?
Answers: 2
Physics, 21.06.2019 22:50
An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?
Answers: 3
Physics, 21.06.2019 23:20
From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?
Answers: 1
Physics, 22.06.2019 19:40
Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 Β΅n on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in Β΅n.)
Answers: 1
Physics, 23.06.2019 02:00
Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8
Answers: 1
Rock is whirled around in a circle with a slingshot. as the rock leaves the slingshot, it has an ins...
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