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Which one of the following terms is used to indicate the natural tendency of an object to remainat rest or in motion at a constant speed along a straight line?
Explain, with examples, how a change in each sphere will affect each of the other three spheres. Need 200 words
a sound wave travels twice as far in neon ne as it does in krypton kr in the same time interval. both neon and krypton
An uncharged solid metal sphere of radius R = 1.72 mm sits with its center at a distance of D = 63.1 cm from two point charges ± q = ± 4.9 × 10^–8 C which form a dipole. The two point charges are separated by a distance d = 8.04\mu m, as shown in the..
Consider a visual binary star system with a period of 55.41 years. Its measured trigonometric parallax is 0.4217'' and, assuming that the plane of the orbit is in the plane of the sky, the true angular extent of the semi-major axis is 6.69''.
An electron is accelerated from rest by a potential difference of 440 V. It then enters a uniform magnetic field of magnitude 220 mT with its velocity perpendicular to the field. Calculate the radius of its path in the magnetic field
A grating has exactly 7800 lines uniformly spaced over 2.63 cm, What is the expected angle for the third-order maximum of the green line
At a crime scene, the forensic inestigator notes that 7.5-g leadbullet that was stopped in a door-frame apparently meltedcompletely on impact. Assuming the bullet was fired at roomtemperature of 20°C, what does the investigator calculate theminimum m..
the motor in a refrigerator has a power output of 200w. if the freezing compartment is at 270k and the outside air is
A string with linear density 2g/m is stretched along the positive x-axis with tension 20 N. One end of the string, at x = 0, is tied to a hook that oscillates up and down at a frequency of 100 Hz with a maximum displacement of 1.0 mm. At t = 0s, t..
Identify two primitive and two non-primitive cells of a two-dimensional face-centered square lattice. Give the primitive unit vector and draw it on the figure.
A Gaussian surface encloses three fixed point charges and no other charge. If these charges are +35 µC, +20 µC, and -55 µC, Find the net flux of the electric field through the Gaussian surface
In bouncing off a racket, a 50 g tennis ball had its velocity changed from 15 m/s in the forward direction to 20 m/s, how long was the ball in contact with the racket
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