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A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. The speakers are 28.0 m apart and the total power of the sound coming from each speaker is 0.478 W. Find the total sound intensity the man hears when
(a) he is at his initial position halfway between the speakers, and
(b) after he has walked 5.0 m directly towards one of the speakers.
A 200 g block is pressed against a spring of force constant 1.40 kN/m until the block compresses the spring 10 cm. The spring rests at the bottom of a ramp inclined at 60.0 degrees to the horizontal.
What is the magnitude and direction of the magnetic field at location P due to I1? What is the magnitude and direction of the magnetic field at location P due to I2?
Consumer? In there very essence, the 4 Ps of marketing is actually a framework that allows the marketer to structure the value proposition of an existing product (or a new product at the time of launch) so as to garner the highest mindshare by distin..
a parallel-plate capacitor having plates 5.8 apart is connected across the terminals of a 12 battery. describe the
When a phonograph turntable is switched off, it comes to rest from its original 33 1/3 rev/min in 4.85 s. What is the magnitude of the angular deceleration, assuming that it is constant while the turntable comes to rest?
A singly charged ion of mass m is accelerated from rest by a potential difference ΔV. Determine the ratio of the masses of the ions
Determine the nature of the roots of the following quadratic equation.
car batteries are typically rated in ampere-hours or a middot h.a show that ampere-hours are actually a unit of
The postion of the center of mass of a person is decided by weighing the person as he lies on a board of negligible weight supported by two scales as shown in the figure. If the person’s height is 188cm and the left scale reads 445N and the right sca..
A basketball player with a body weight of 850 N exerts a force of -4500 N against the ground during takeoff (jumping upward). How much force does the ground exert on the basketball
Stephen is pushing his sister Joyce in a wheel barrow when it's stopped by a brick 7.83 cm high. What force must Stephen apply along the handles in order to just start the wheel over the brick
A curve of radius 35 m is banked for a design speed of 64 km/h. If the coefficient of static friction is 0.34 (wet pavement), at what range of speeds can a car safely make curve.
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