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an object of mass 100 kg is released from the top of an inclined plane which makes an angle of inclination of 300 with
a particular guitar string is supposed to vibrate at 206 hz but itis measured to actually vibrate at 210 hz by what
a beam contains 30 x 106 doubly charged positive ionsper cubic centimeter all of which are moving north with a speed
when a charged particle moves at an angle of 17deg with respectto a magnetic field it experiences a magnetic force of
two skaters are studying collisions on an ice-covered friction-less lake skater 1 m185 kg is initiallytraveling with a
a charge of -88 microc is travelingat a speed of 73106 ms in a region of space where thereis a magnetic field the angle
on a weekend archeological dig you discover an old club-ax thatconsists of a symmetrical 100 kgstone attached to the
a revolutionary war cannon with a mass of 1950 kg fires a 244 kg ball horizontallythe cannon ball has a speed of 134 ms
a particle with charge 28 c moves through a uniform magneticfield at one instant the velocity of the particle is 14 i
a charging bull elephant with a mass of 5240kg comes directly towards you with a speed of 455msyou toss a 0150-kg
if it is known that an electric dipole is located at the origin andthat its e-field at the point p2m 30deg 90deg
a 725-kg tourist climb the stairs to the washing tonmonumentwhich is 555 ft high how far does the earth move in the
a mirror produces an image that is located 4800 cm behind the mirror when the object is located2400 cm in front of the
when exposed to the weakest sound it can hear the ears energy ofvibration is about 10-19j if the force constant of
a horizontal spring is lying on a frictionless surface one end ofthe spring is attached to a wall whle the other end is
a car is hauling a 92 kg trailer to which it is connected by a spring the spring constant is 2250 nm the car
each of the three helicopter rotor blades shown in fig 10-67 is520 m long and has a mass of 153 kg the rotor is
1 a spring with a spring constant k 1600 nmis at rest on the bottom of an inclined plane a 70-kg blockslides down the
a fully charged capacitor with a voltage of 270 kv is discharged through a resistora what is the voltage across the
an elevator has a mass of1170 kg and carries a maximum load of 786 kg a constant frictionalforce of 4260 n retards its
an outfielder throws a191 kgbaseball at a speed of 68 ms and an initial angle of546degrees what is the kinetic energyof
a stone was thrown upward with an initial speed of 10ms from theroof of a building and strikes the ground in 6s no air
when a resistor is connected across the terminals of an acgenerator 104 v that has a fixed frequency there is a current
a cylinder with a diameter of 0240 m is placed between the plates of a hydraulic press as illustrated in the drawing a
nichrome wire of cross-sectional radius 0791 mm is to be used inwinding a heating coil if the coil must carry a current