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A component with a 34 Ohm resistor is rated for use at power levels not exceeding 2,059 mW. How much current can safely flow through the component? Express the answer with two decimal places.
Determine the potential energy when the position is one-third the amplitude. (Use any variable or symbol stated above as necessary.)
A car is driven at constant speed over a circular hill and then into a circular valley with the same radius. At the top of the hill, the normal force on the driver from the car seat is 0. The drive
What is the tangential acceleration at this point? What is the centripetal acceleration at this point? What is the least coefficient of static friction which will prevent the car from skidding in co
Consider Compton scattering event in which the scattering photon has an energy of 120 keV and the recoiling electron has an energy of 40 keV. a) Calculate the wavelength of the incident photon,
A tugboat captain also sees the submarine fire the projectile, but to him is looks like the projectile is moving straight up (i.e. 90° above the horizontal). What is the velocity of the tugboat
A square loop of wire of side 3.3 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 43° with the plane of the loop. (a) What is the magnitude of the tor
A coil of Nichrome wire is 31.0 m long. The wire has a diameter of 0.360 mm and is at 20.0°C. (a) If it carries a current of 0.580 A, what is the magnitude of the electric field in the wire?
An aluminum rod has a resistance of 3.30 ? at 20.0°C. Calculate the resistance of the rod at 120°C by accounting for the changes in both the resistivity and the dimensions of the rod. The co
A 10-kg block is dragged up a 30° rough ramp by an applied force F. The coefficients of static and kinetic friction between the block and the ramp are 0.8 and 0.5 respectively. (a) Find the maxi
Model the sap as water initially at 32.0°C. Water has a specific heat of 4 186 J/kg · °C, a boiling point of 100°C, and a latent heat of vaporization of 2.26 x 106 J/kg. kg
Two charged particles A and B are located near one another. Both the magnitude and direction of the force that particle A exerts on particle B is independent of the sign of charge B. the sign of cha
The superconducting magnet for the experimental MRI studies at a laboratory is a 1m long solenoid of 60 cm diameter, producing a field of 5T. The current energizing the device is 250A. a) how many
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