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Briefly, how are covalent compounds formed? What is the basic difference distinguishing single, double, and triple bonds? How does electro negativity vary, in general, left to right across a period and down a group?
A meter stick is rotated about the end labelled 0.00 cm, therefore that the other end of the stick moves through an arc length of 8.66cm. During what arc length s does the 25.0-cm mark on the stick move?
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t=0 (the switch is closed at this time). What is the charge on the capacitor at this time
A space station in the form of a large wheel, 162 m in diameter, What is the frequency of the rotational motion for the wheel to produce this effect
Two blocks of mass m are suspended vertically as shown (one block by a spring, the other block to the first by a string), and initially motionless. An instant after the string is cut:
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, How fast is each sphere moving when it reaches the bottom of the hill
A 2.20-uF capacitor is connected across an ac source whose voltage amplitude is kept constant at 60.0V but whose frequency can be varied, Find the current amplitude when the angular frequency is 100 rad/s
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion. s (b) Find the frequency of the motion. Hz (c) Find the amplitude of the motion. cm (d) Find ..
the electric field just above the surface of the charged drum of a photocopying machine has a magnitude e of 3.1 x 105
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach 95 dB, measured a distance of 4.5 m from the source.
A hot air balloon is accelerating upward under the influence of two forces, its buoyant force and the weight. Evaluate the acceleration of the rising balloon
Find out the energy dissipated by friction. Find the coefficient of kinetic friction between the tires and the road.
The siren on a police van is emitting a sound whose frequency is 2493 Hz. The speed of sound is 343 m/s. Compute the frequency and the wavelength of the sound you hear
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