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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
a positive charge q is placed at the origin identical charges q are located at plusmna on the x-axis if the charge q is
an aluminum wire has the same resistance as a copper wire of the same length find the ratio of the aluminum wires
three metal fishing weights each with a mass of100x102g and at a temperature of 1000ocare placed in 100x102g of water
a cannonball is fired from a gun and lands 740 meters away at atime 20 secondswhat is the x-component and y-component
the capacitance of a cylindrical capacitor can be increased bya decreasing both the radius of the inner cylinder and
a 300-gbullet is fired into a 140-kg block suspending from a support rodby a thin wire after the bullet becomes
a stonewith a mass of 240-kg is released from rest and falls toward earth near the surface of the earth use the
a thin film of polystyrene is used as an antireflective coating for fabulite known as the substrate the index of
four identical charges 2uc each are brought from infinity and fixed to a straight line the charges are located 4 m