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A 0.1A current is charging a capacitor that has square plates 5cm on each side. The plate separation is 4mm. Find the time rate of change of electric flux between the plates.
Perform a least-squares analysis of the data to determine Plank's constant and its uncertainty. Compare your results to those of Millikan, and discus any differences.
If the magnitude of the force on a 4.0-m length of one of the wires is 6.7 µN, what are the values of the two currents? (Enter your answers from smallest to largest.)
Calculate the percentage or fraction of geologic time that is represented by recorded history. To make calculations easier, round the age of Earth to the nearest billion.
A charging bull elephant with a mass of 5500 kg comes directly toward you with a speed of 4.20 m/s. You toss a 0.150-kg rubber ball at the elephant with a speed of 9.63 m/s. When the ball bounces ba
If the duration of shock was 0.1 second, which was the force exerted by the floor on the egg so that it broke?
Let QC(x) = x2 + c. Prove that if c < 1/4, there is a unique μ > 1 such that Qc is topologically conjugate to Fμ(x) = μx(1 - x) via a map of the form h(x) = αx+β.
If the slope of the equilibrium line connecting the solid and liquid phases has a negative slope, what does this imply for the change in the freezing point of water with temperature?
A magnetic field is oriented at an angle = 60 degrees to the normal of a rectangular area. If the magnetic field has a strength of B = 4*10^-3T and magnetic flux through the surface has a magnitude
An asteroid of mass 59,000 kg carrying a negative charge of 12.0 μC is 170 m from a second asteroid of mass 58,000 kg carrying a negative charge of 15.0 μC . What is net force the asteroids e
Two equal point charges of magnitude 4.0 µC are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges?
The charging circuit for the flash system of a camera uses a 130uF capacitor that is charged from a 250V power supply.
A proton (charge = 1.6 x 10-19) travels through a magnetic field of 1.78T with a velocity of 2.3 x 105 m/sec. What is the magnitude of force experienced by the proton?
A electric wire with 3.85A current is placed in a magnetic field of strength .97 T. The .54m long wire makes an angle of 42o with the direction of magnetic field. What is the force on the wire?
A bottle has a mass of 35.00 g when empty and 98.40 g when filled with water. When filled with another fluid, the mass is 88.80 g. What is the specific gravity of this other fluid?
Assuming the maximum pressure difference his lungs can manage and still breathe is -81 mm Hg, calculate the deepest he could have been.
What is the speed of the train at the end of this distance? How long did it take for the train to travel the 210 m?
The electrons then pass through a 0.29 T magnetic field that deflects them to the appropriate spot on the screen. Find the magnitude of the maximum magnetic force that an electron can experience.
The x, y, and z components of a magnetic field are Bx = 0.12 T, By = 0.14 T, and Bz = 0.17 T. A 25 cm wire is oriented along the z axis and carries a current of 3.8 A. What is the magnitude of the m
What is the rotational inertia of a solid iron disk of mass 48 kg, with a thickness of 3.57 cm and radius of 19.5 cm, about an axis through its center and perpendicular to it?
What is the minimum coefficient of static friction between the penny and the surface of the disk to ensure that the penny doesn't fly off? Give answer with 5 significant figures.
An achromatic lens is made of two very thin lenses, with focal lengths f1 = -28.7 cm and f2 = +20.4 cm, that are placed in contact.
When 250 g is hung from the spring and set into simple harmonic motion, what is the period of the oscillation?
A 61.0-kg skier starts from rest at the top of a ski slope of height 67.0 m
A turntable must spin at 33.6 rpm (3.52 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.0 revolutions,