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Two radio-frequency point sources separated by 1.5 m are radiating in phase with ? = 0.30 m. A detector moves in a large circular path around the two sources in a plane containing them. How many maxima does it detect?
Assume that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
Light of wavelength 646 nm from a distant source is incident on a slit 0.760 mm wide, and the resulting diffraction pattern is observed on a screen 3.60 m away. What is the distance between the two dark fringes
A 0.159 kg toy is undergoing SHM on the end of a horizontal spring with force constant 310 N/m. Find the total energy of the object at any point in its motion
A person with a weight of 273.6 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
A man ties one end of a strong rope 7.64 m long to the bumper of his truck, 0.505 m from the ground, and the other end to a vertical tree trunk at a height of 3.90 m. Compute the magnitude of the torque on the tree
A generator uses a coil that has 140 turns and a 0.50-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), find out the length of the..
a target in a shooting gallery consists of a vertical square wooden board, 0.25m on a side and with mass 0.75kg, what is the angular speed of the board just after the bullets impact
Hail comes straight down at a mass rate of m/?t = 0.080 kg/s and an initial velocity of v0 = -16 m/s and strikes the roof perpendicularly. calculate the force exerted by the hail on the roof
A 175 watt motor is used to lift a 129 kg container to a height of 7m. How much time does it take to lift container with the motor.
A light ray initially in water enters a transparent substance at an angle of incidence of 39.0°, Calculate the speed of light in the transparent substance
The magnetic force on a straight 0.31 m segment of wire carrying a current of 4.5 A is 1.5 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire? Answer in units of T.
You have a grindstone ( a disk) that is 80.0 kg, has a .349-m radius, and is turning at 104.0 rpm, Calculate the angular acceleration of the grindstone
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