Examlex
A proton travels at a speed of 5.0 × 107 m/s through a 1.0-T magnetic field.What is the magnitude of the magnetic force on the proton if the angle between the proton's velocity and the magnetic field vector is 30°? (e = 1.60 × 10-19C)
Value Creation
The process of enhancing product or service offerings to increase their worth and appeal to consumers, thereby generating more sales or customer loyalty.
Four Utilities
The four types of utility are form, place, time, and ownership (possession), which collectively describe how a product or service adds value to a consumer's life.
Vending Machine
An automated machine that provides items such as snacks, beverages, and other products to consumers after money, a credit card, or a specially designed card is inserted into the machine.
Time Utility
Enhancing the value of a product or service by making it available at the most convenient time for consumers.
Q6: A wire carrying a current is shaped
Q30: A beam of light traveling in air
Q38: A proton moves 0.10 m along the
Q39: Doubling the capacitance of a capacitor that
Q48: A plant that is 4.0 cm tall
Q91: As shown in the figure,a C-shaped conductor
Q98: A closed flat loop conductor with radius
Q107: Two long,parallel wires carry currents of different
Q128: A 100-W driveway light bulb is on
Q142: An electron,moving south,enters a magnetic field.Because of