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Ball B, moving in the positive direction of an x axis at speed v, collides with stationary ball A at the origin. A and B have different masses. After the collision, B moves in the negative direction of the y axis at speed v/6. In what direction does A move, as an angle with respect to the x axis?
Conceptual Example 14 provides useful background for this problem. A playground carousel is free to rotate about its center on frictionless bearings, What is the person's mass
A girl is standing at the edge of the cliff 271 m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed of 6.17 m/s. a) how long does it take the rock to hit ground? b) What is the speed of the ro..
Suppose you could take out all the electrons and hold them in one hand, If you hold your hands 1.55{\rm m} apart at arms length, what force will each of them feel
Pale uses straight-line depreciation and useful lives of 40 years and 10 years for the building and equipment, respectively, with no estimated residual values. Give journal entry that Pale recorded when it transferred the assets to Bright.
A 0.80 -long metal rod is dropped vertically onto a marble floor. When the rod strikes the floor, it is determined electronically that the impact produces a 5 kHz-tone. What is the speed of sound in the rod?
the distance between the object and the eyepiece of a compound microscope is 18 cm. what is the total magnification of the microscope
A certain lightbulb has a tungsten filament with a resistance of 19.5 ? when at 20.0°C and 142 ? when hot. Assume the resistivity of tungsten varies linearly with temperature even over the large temperature range involved here. Find the temperature o..
A uniform magnetic field is 30 degree to the plane of a circular loop 10 cm in diameter made of copper wire (diameter 2.5 mm). At what rate must the magnetic field change with the time
solid disk of radius 4.05 cm and angular velocity of 81.32 rad/s about an axis through its center perpendicular to its plane. How far (in cm) will the disk travel until it stops skidding
the supersonic aircraft concorde has a length of 61.5m when sitting on th ground on a typical day when the temperature is 15.0 degrees C. what is the temperature of the concordes skin in flight
During a particular thunderstorm, the electric potential between a cloud and the ground is Vcloud - Vground = 2.0 x 108 V, with the cloud being at the higher potential. What is the change in an electron's potential energy when the electron moves from..
A bowling ball (mass = 4.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.37 kg, radius = 0.028 m) may each be treated as uniform spheres
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