Physics, 01.11.2019 03:31 davinedmcneal
After a while, the car started to go around a long bend, still maintaining its constant speed of 55 miles per hour. is there a net (unbalanced) force acting on the car? 1. no; the speed of the car does not change. 2. cannot be determined 3. no; the velocity of the car does not change. 4. yes; its direction is not the same as the velocity. 5. yes; its direction is the same as the velocity.
Answers: 2
Physics, 21.06.2019 22:30
A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.
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Physics, 22.06.2019 03:30
Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec
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Physics, 22.06.2019 03:50
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
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Physics, 22.06.2019 05:00
Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?
Answers: 2
After a while, the car started to go around a long bend, still maintaining its constant speed of 55...
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