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A mass spectrometer can detect the different isotopes of an ionized element. If Zn2+ ions are accelerated through a 10 kV potential and enter a 10 T magnetic field region, calculate the different rad
Four +6 µC point charges are at the corners of a square of side 3 m. Find the potential at the center of the square (relative to zero potential at infinity) for each of the following condition
The electric potential immediately outside another charged conducting sphere is 200 V, and 10.0 cm farther from the center the magnitude of the electric field is 440 V/m. Determine all possible valu
The electric potential immediately outside a charged conducting sphere is 180 V, and 10.0 cm farther from the center of the sphere the potential is 140 V. (a) Determine the radius of the sphere. (b
By how much does it have to increase its speed in order to be able to escape Earth in km/s? [Hint: You need to calculate the orbital speed and the escape speed.]
The differential of thermal energy of a surface of a liquid with surface tension y and area A may be written as dU = Tds + ydA Write down the corresponding differential form of the Helmholtz free en
A 15.0-kg satellite has a circular orbit with a period of2.27h and a radius of 7.90×106 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of th
A 5-kg block is sent sliding across a frictionless table at a speedof 0.75 m/s. It strikes the free end of an ideal spring whose other end is attached to a wall.
Suppose a wire made from an unknown alloy and having a temperature of 20.0°C carries a current of 0.517 A. At 48.8°C the current is 0.399 A for the same potential difference. Find the temper
What is now the net capacitance in terms of A, d, and l? If l = 0.45 d what factor does the capacitance change when the sheet is inserted?
Suppose a satellite is in a circular orbit 3.600 Earth radii above the surface of the Earth (4.600 Earth radii from the center of the Earth).
What is the minimum speed need to drive through a banked turn such a car won't slip down the road. The turn is banked at 23 degrees above the horizontal and has a radius of curvature of 105 m. The c
Coefficient of linear expansion for brass = 2.0*10^-5 degC^-1). Ignore any effects that might occur due to change in the thickness of the slits.
A skateboarder starts up a 1.0--high, 30 ramp at a speed of 5.1 . The skateboard wheels roll without friction. How far from the end of the ramp does the skateboarder touch down?
Four point charges, each having a charge with a magnitude of 1.5 µC, are at the corners of a square whose sides are 6 m long. Find the electrostatic potential energy of this system under the f
A chair of weight 3.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 39.0 N directed at an angle of 40.0 below the horizontal and the chair
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked and they stick together after the collision and are going 10 m/s after the collision. If they skid for 6.6 seconds be
Considering the orbiting electron to be a small current loop, determine the magnetic moment associated with this motion. (Hint: The electron travels around the circle in a time equal to the period o
When a current of I = 22 A exists in the wire, the wire swings upward and, at equilibrium, makes an angle with respect to the vertical, as the drawing shows. Find (a) the angle and (b) the tension i
What are the magnitude and direction of the magnetic field causing the force? If the field is up, then enter a number greater than zero. If the field is down, then enter a number less than zero.
A long, straight metal rod has a radius of 5.00 cm and a charge per unit length of 34.0 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measure
A rock is thrown vertically upward with a speed of 11.0 from the roof of a building that is 70.0above the ground. Assume free fall. -In how many seconds after being thrown does the rock strike the g
A 3.59-F and a 5.68-F capacitor are connected in series across a 30.0-V battery. A 6.41-F capacitor is then connected in parallel across the 3.59-F capacitor. Determine the voltage across the 6.41-
The current in the shunt resistor is 3.78 mA when the galvanometer reads full scale. Find the full-scale current of the galvanometer.
At what point along the line connecting the two charges is the net electric field due to the two charges equal to zero?