A proton travels in the plane of the screen, as shown, at a…

A proton travels in the plane of the screen, as shown, at a constant speed through two separate shaded regions of magnetic field, B1 and B2. The magnetic field in each shaded region is perpendicular to the plane of the screen and uniform in magnitude and direction. The magnetic field is zero outside of the shaded regions. Which statements are correct based on the information shown  about the trajectory of the proton? I. B1 points out of the page. II. The magnitude of B1 is greater than B2 . III. The proton spends more time in region 1 than region 2.

Problem 2: Generate a Class Diagram for Bike ordering system…

Problem 2: Generate a Class Diagram for Bike ordering system. A bike store sells bikes. Bikes consist of 2 wheels, 1 crank, and 1 stern. System needs to store Serial number and model type for each bike. For a customer the system stores customer id, name, and address. There are two types of Store Employees: Full time and Part time. System needs to store Employee ID, name, and address. Customer originates a Sales Order. One customer can buy more than one bike. A Sales Order consists of Order ID, Date. An Employee interacts with the customer to place the Sales Order. Sales Order contains information about one or more bikes being sold. System needs to keep track of employee who dealt with the customer for that particular order. It also needs to allow for the customer to have more than one order and keep details of employee and order for each order.