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Two waves, and are given by the equations yi = 2.5 sinπ(x + 5t) and y2 = 2.5 sinπ(x + 5t).
(a) Determine the equation of the standing wave.
(b) Determine the position of the first 4 nodes of the standing wave.
A proton is confined within an atomic nucleus of diameter 4.1 fm. Estimate the smallest range of speeds
Two speakers are both emitting sounds, the first with an intensitylevel of 1 x 10-6 w/m2 and the second with anintensity of 1 × 10-10.25 w/m2. What isthe db level of the first?
A cancer treatment called the gamma knife uses focused 60Co sources to treat tumors. Each 60Co nucleus emits two gamma rays, Determine the effective radiation dose received by the tumor
When playing a Fortissimo (very loudly) , a trumpet emits sound energy at rate of 0.738 W out of a bell(opening) of diameter 12.7 cm. a What is the sound intensity level right in front of the trumpet?
An airplane is flying at 175km/hr on a headwind of 45 degrees. The wind is blowing from 300 degrees at 45 km/hr. Find the direction and magnitude of the plane's velocity
you need to store 25J of energy in the magnetic field of a solenoid. The solenoid hass 100 circular turns of diameter 5.0cm, What is the energy density inside the solenoid
A 0.954 kg toy car is powered by four AA batteries (6.00 V total) connected directly to a small DC motor. What is the average current supplied to the car's motor
a single-turn wire loop 10cm in diameter carries a 8.0a current. it experiences a torque of 2.4times10-2nm2 when the
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. What is his predicted landing velocity
A charged isolated metal sphere of diameter 26.0 cm has a potential of 8400 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere
An ideal (Carnot) freezer in a kitchen has a constant temperature of 263 K, whereas the air in the kitchen has a constant temperature of 303 K. Suppose the insulation for the freezer is not perfect and conducts energy into the freezer at a rate of 0...
At 20.0°C, a mainly silicon resistor has a resistance of 665 ?, and a tungsten resistor has a resistance of 752 ?. At what temperature will their resistances be equal
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