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Problem: A wave has an amplitude of 30 cm, wavelength of 0.75 m and frequency 20 Hz.
A. What is its speed?
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
Unpolarized light passes through a vertical polarizing filter. The light then passes through a horizontal filter, which blocks all of the light; What is the transmitted intensity now
A certain diatomic molecule has a vibrational frequency of 1.35 × 1014 Hz and is in the third vibrational state and the L = 9 rotational state (I = 3.0x10-46 kg*m2. what is the maximum frequency radiation that is emitted
A 32 ohm resistor is connected to four 1.5 Volt batteries. Find the joule heat loss per minute in the resistor if the batteries are connected in series
A rubber ball is dropped from a distance of 1.40 m above ground and bounces to 60% of its original height. how long is the ball in contact with the ground
Reflecting telescopes make use of a concave mirror, in place of the objective lens, to bring the distant object into focus. What is the magnifying power of a telescope
a stroboscope is a light that flashes on and off at a constant rate. it can be used to illuminate a rotating object and
a pair of eyeglasses is designed to allow a person with a far-point distance of 2.02m to read a road sign at a distance
A 26 µF capacitor and a 5.50 mH inductor are connected in series with an open switch. Determine the angular frequency of the charge oscillations in the capacitor after the switch is closed
Find out the magnitude of angular acceleration of the wheel
An automobile transmission has 175 hp of power entering from the engine, 167 hp leaving to the wheels, while losing 5000 Btu/hr to the surroundings as heat.
Two conductors insulated from each other are charged by transferring electrons from one conductor to the other. After 2.4255 × 1014 have been transferred, the potential difference between the conductors is 20.9 V. The charge on an electron is−1.60..
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