Spacecraft communication system
A lossless 10 - turn helical antenna with a circumference of one -wavelength is connected to a 78-ohm coaxial line, and it is used as a transmitting antenna in a 500 MHz spacecraft communication system. The spacing between turns is?
Expected delivery within 24 Hours
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. Calculate the molar concentration of Cl- in this solution.
Beam ABC of length 1.0 m and solid circular cross-section of diameter 30mm, that is pinned at C and simply supported at A.
Consider a solution that is 0.10M in a weak tripotic acid which is represented by the general formula H3A with the following ionization constants: What is the pH of the solution?
The pilot of an airplane traveling 160 km/h wants to drop supplies to flood victims isolated on a patch of land 155 m below. The supplies should be dropped how many seconds before the plane is directly overhead?
A 0.750 kg block is attached to a spring with spring constant 17.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 47.0 cm/s. What are The amplitude of the subsequent oscillat
Trimethylamine ionizes as follows in water. What concentration of trimethylammonium ion, (CH3)3NH+ is present in 9.0 x 10(to the -2 power)M of (CH3)3N ?
In a Carnot cycle, heat is supplied at 350°C and rejected at 27°C. The working fluid is water, which, while receiving heat, evaporates from liquid at 350°C to steam at 350°C.
A composite load consists of two loads connected in parallel. One draws 100 W at a PF of 0.8 lagging, another takes 200 W at a PF=1. What is the PF of the composite load ?
1939210
Questions Asked
3,689
Active Tutors
1429514
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
highlights the principles of business, finance, economics, and health policy and how they contribute to the improvement of quality of care.
This assignment requires literature review to identify evidence that explains the concept of value-based care. Using a literature review
Assignment task: This is an analysis of value-based care approaches that meet the current and future needs of patient care delivery.
literature review that utilizes published evidence to explain the development and evaluation of-based care approaches that meet the current and future needs
Technology is a central part of how I access and share information daily, especially through my cell phone. This device helps me find everything from news updat
Ethics Dilemma: You're conducting a study on the effectiveness of a new teaching method. Midway through your experiment
Preschoolers like to investigate! They enjoy learning about the world around them. The Project Approach involves children in studies of the world around them.