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Discuss Tension in cable. Boom is uniform and weighs 25000 newtons. boom is 8.0m long and cable is attached 2.0m from the outer end of the boom What is the force required to pull a loop out of the magnetic field at a constant velocity if B=20T into the page and v (to the left)=5cm/s. The dimension of the loop is .1m X .4m. The change in flux is .5Tm2 and R=.5 ohms. What is the power dissipated in the resistance of the loop? Contrast the work done by the force applied by pulling for 2.5 seconds to the energy dissipated in the circuit in 2.5 sec.
An astronaut on the space shuttle traveling at a speed of 0.70 c is holding a meter stick parallel to the direction of motion
A person 1.7 m tall is standing 2.50m in front of a camera. Find the magnification and the height of the image on the film
what is the best way to study and prepare for a physics exam? and the questions are from the book and i freak myself
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. (a) If the capacitor is discharged in 1.0 ms, how much charge passes through the body tissues? (b) What is the average power delivered to the tissues?
your roommate also taking physics calls from the college radio station where a small disaster has occurred. the
A microwave transmitter emits electromagneticwaves of a single wavelength. Calculate the maximum magnetic field at this distance
A person with nearsightedness was prescribed with contact lenses of power -2.0 D. What is the range of object distances that this person can see clearly with the wrong lenses
A 7.1-kg block of aluminum is heated from 30°C to 60°C at atmospheric pressure. Find the work done by the aluminum
Two submarines are moving towards each other in a portion of the Atlantic Ocean where the water is calm. Sub A is moving at 14.0 m/s, What frequency does sub B detect
An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 19.8 km, What is the distance between the two aircraft
1. a a massless rope is stretched horizontally between two supports that are 3.0 m apart. when an object of weight 3200
A 57 kg rock with a volume of 36 L is completely submerged in water. The density of water is 1 kg/L. What volume of water is displaced by the rock
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