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A violinist places her finger thus that the vibrating section of a 1.00 g/m string has a length of 40 centimeter, and then she draws her bow across it. A listener nearby in a 20 C room hears a note with a wavelength of 60.0 cm.
Determine what is the tension in the string?
An oil drop carries one excess electron and weighs 9.6 x10-15 N. What electric field strength is required to suspend the drop so it is motionless.
The inner and outer surfaces of a cell membrane carry a negativeand positive charge, respectively. evaluate the magnitude of the electric field in the membrane
A woman on a bridge 71.0 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 6.60 m more to travel before passing under the bridge. ..
After staying on Penitgy for a few days, the landing craft returns to its mothership. What height does the landing craft attain during this time period
A 45.0-kg person steps on a scale in an elevator. The scale reads460 N. What is the magnitude of the acceleration of the elevator
in rutherfords famous scattering experiments that led to the planetary model of the atom alpha particles having charges
A particle initially located at the origin has an acceleration of = 2.00 m/s2 and an initial velocity of i = 8.00 m/s. Find the vector position of the particle at any time
If a lens with focal length 10 cm is placed 30 cm from an image 3 cm tall, and a cecond lens with focal length -15 cm is placed 36 cm from the image. how tall is the resulting image
a coyote on jet skates chases a road runner. the coyotes acceleration is a constant 15 ms. if the coyote is 120 from
A mass (10 kg) rests on a surface (ustatic=0.6) connected by a cord to a hanging mass of 2 kg. What is the acceleration of the heavier mass
Two resistors by values of 27Ω and 19Ω,respectively, are connected in series and hooked to a 12Vbattery. How much current is in the circuit? How much power is expended in the circuit?
A golf ball is dropped from rest from a height of 9.70 m. It hits the pavement, then bounces back up, rising just 6.00 m before falling back down again. calculate the total amount of time that the ball is in the air
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