Answers: 1
Physics, 21.06.2019 17:30
The particles of an ice cube at 0Ā°c (represented by the blue circles) come in contact with the particles of juanās hand at 37Ā°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?
Answers: 3
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0Ć10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 22.06.2019 05:30
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30Ā° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
Physics, 22.06.2019 07:00
We put a force of 50n on an object and the acceleration is 100 m/sĀ². what is the mass of the object?
Answers: 1
A wave has a frequency of 12 Hz and a wavelength of 5 m. What is the wave speed?...
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