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Ferromagnetism is caused by:
1)the presence of domains in the material which can be aligned by an applied magnetic field2) the alignment of domains in opposition to the applied field3) the alignment of electron (atomic) magnetic moments in an applied magnetic field4) a change in the electron (atomic) magnetic moments which opposes the applied magnetic field
An object of mass 2.1 kg is moving in the negative x direction at a velocity of 2.6 m/s. What is the final velocity after the object has experienced the impulse
Calculate this temperature.
The Navy operated a "man-rated" centrifuge in Warminster, PA. It was used for testing with the astronauts of the Mercury, What is the period of the gondola at that speed
The water was originally at 0°C. The specific heat of water = 1.00 kcal/kg×°C, The original temperature of the ice was:
a capacitor with a capacitive reactance of is connected in series with a 100 resistor across in ac source of frequency 60.0hz. what is the phase angle
A 2000 kg car is traveling at 15.0 m/s down a long mountain grade of 2.0%. The mountain road is 5.0 km long. What is the increase in the temperature of the brakes
A cart of mass m moves with a speed v on a frictionless air track and collides with an identical cart that is stationary. what is the final kinetic energy of the system
An automobile has 57 percent of its weight on the front wheels. The front and back wheels on each side are separated by 2.2 m. Where is the center of gravity located
A 3100 kg cannon is mounted so that it can recoil only in the horizontal direction. Calculate the magnitude of its recoil velocity when it fires a 14.0 kg shell at 480 m/s at an angle of 20.0° above the horizontal
A parachutist with mass 86.0 kg jumps from an airplane traveling at a speed vi=112 km/hr at a height H=2570 m. He lands with a speed of vf=5.21 m/s.
An outfielder throws a 0.150 kg baseball at a speed of 54.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion
Two identical 1.60kg masses are pressed against opposite ends of a spring of force constant 1.60N/cm, Find the maximum speed of each mass when it has moved free of the spring on a smooth, horizontal lab table
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