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Tarzan, who weighs 688 N, swings from a cliff at the end of aconvenint vine that is 18m long. From the top of the cliff tothe bottom of the swing, he descends by3.2 m. The vine will breakif the force on it exceeds 850 N.
(a) Does the vine break?
(b) If no,what is the greatest force on it, during the swing? If yes, at what angle with the vertical does it break?
Using the medium p model of the line, Find the current, voltage, reactive power, real power, & power factor at the sending end of the line.
A cube of side of length 0.55 m has a temperature of 310 K and is in a room surrounded by 15.8ºC walls. what is the energy loss rate of the cube
A home run is hit in such a way that the baseball just clearsa wall 21 m high, located 130 m from home plate. The ball is hit atan angle of 35° to the horizontal, and air resistance is negligible.
A 2.5-mC charge is on the y-axis at y=3.0 m and a 6.3-mC charge is on the x-axis at x=3.0 m. What is the direction of the electric potential at the origin
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. What is the magnitude of the electric field in the membrane
A 76 kg student traveling in a car with a constant velocity has a kinetic energy of 1.1 multiply.gif 104 J. What is the speedometer reading of the car in km/h
A 2.1-m-tall, 90-cm-diameter concrete column supports a 4.0×10^5kg load. By how much is the column compressed
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
Space probes communicate with controllers on Earth using radio waves. How fast is the probe traveling and is it traveling towards or away from Earth
A person with perfect pitch sits on a bus bench listening to the 450{\rm Hz} horn of an approaching car. how fast is the car moving
Two point charges Q1 = +5.25 nC and Q2 = ?2.15 nC are separated by 40.0 cm, What is the electric potential at a point midway between the charges
An automobile engine slows down from 3000 rpm to 900 rpm in 4.5 s. find the total number of revolutions the engine makes in this time
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