What is an exposure index? The exposure index is currently a method by which digital radiography manufacturers provide feedback to the technologist regarding the estimated exposure on the detector, as a surrogate for image signal-to-noise ratio and an indirect indication of digital image quality. What are the different exposure indicators? The exposure indicator has as […]
When a charged particle enters a uniform magnetic field what is its speed?
When a charged particle enters a uniform magnetic field what is its speed? As it enters the uniform magnetic field within the solenoid, its speed is 800 m/s and its velocity vector makes an angle of 30° with the central axis of the solenoid. What is the change in kinetic energy of the particle entering […]
What is width and length?
What is width and length? 2. The Merriam-Webster dictionary defines width as the measurement of the shortest or shorter side of an object. Similarly the dictionary defines length as the longer or longest dimension of an object . In addition it also defined length as the longer or vertical piece of a clothing. What is […]
Why are acoustic strings thicker?
Why are acoustic strings thicker? Acoustic guitarists generally favour thicker strings as they provide more volume, warmth and resonance – key requirements for an acoustic instrument. It’s also less popular to bend strings, therefore sacrifice flexibility for tension. What gauge strings did Jimi Hendrix use? “We were using the normal one, not the very high […]
What is the formula of constant speed?
What is the formula of constant speed? Formula for constant-speed = Total distance / Total time taken. How do I calculate percentage of a total? To find the percentage of the marks, divide the marks obtained in the examination with the maximum marks and multiply the result with 100. Example 1: If 1156 is the […]
What are the three ways that machines make work easier?
What are the three ways that machines make work easier? Background Information. There are three ways simple machines make work easier: by increasing the distance through which force is applied, by changing the direction of applied force, or by multiplying force of speed of the energy applied. When can we say that work done is […]
What is the purpose of being certified as a nurse practitioner?
What is the purpose of being certified as a nurse practitioner? The purpose of AANPCBs nurse practitioner certification programs is to provide a valid and reliable program for nurse practitioners to recognize their education, knowledge, and professional expertise, and to provide a process for validation of an advanced practice registered nurse’s qualifications and knowledge for […]
How far away from a wall should a ladder be?
What are two examples of vascular seedless plants?
What are two examples of vascular seedless plants? Ferns, club mosses, horsetails, and whisk ferns are seedless vascular plants that reproduce with spores and are found in moist environments. What are 4 key traits of seedless vascular plants? What are some characteristics about Seedless Vascular Plants? Seedless vascular plants include ferns, whisk ferns, club mosses, […]
How can plants grow in soil without many minerals?
How can plants grow in soil without many minerals? Using a growing method called “hydroponics,” you can grow plants in a watery solution of mineral nutrients instead of soil. It’s also possible to grow plants hydroponically by placing their roots in a mineral nutrient solution contained in a non-soil material, such as gravel, coconut husks, […]