What is least projection speed that will allow projectile

Assignment Help Mechanical Engineering
Reference no: EM131382840

A projectile is fired from the top of a conical mound of height h and base radius a. What is the least projection speed that will allow the projectile to clear the mound? [Make use of the parabola of safety.]

A mortar gun is placed on the summit of a conical hill of height 60 m and base diameter 160 m. If the gun has a muzzle speed of 25 m s-1, can it shell anywhere on the hill? [Take g = 10 m s-2.]

Reference no: EM131382840

Questions Cloud

Develop an e-business prototype website solution : COIT20250 e-Business Systems. You as a group need to develop an e-business prototype website solution using open source (Joomla CMS) in any industry of your choice for an SME (small to mid-size business). You will be required to design, configure ..
Process for recovery and documentation of procedures : What type of planning consists of a process for recovery and documentation of procedures for conducting recovery?
Give the answer of muliple choice question : In the aftermath of World War I, Western literature could be described by any of the following terms, except.Which of these World War II battles established overall equality between the U.S. and Japanese naval powers? In the Soviet Union, which stat..
Major operating systems in terms of design goals : Compare and contrast two major operating systems in terms of design goals, memory, process, device, file, security, and network management. 3-5 pages with (5-7) references.
What is least projection speed that will allow projectile : A mortar gun is placed on the summit of a conical hill of height 60 m and base diameter 160 m. If the gun has a muzzle speed of 25 m s-1, can it shell anywhere on the hill? [Take g = 10 m s-2.]
How much power is needed now : Now suppose we have a cellular system. The mobile is as described in Problem 2 but the base station has an antenna with a gain of 6 dBi located 50 m above average terrain. How much power is needed now? Is this reasonable?
Computer to a new computer : Have you ever transferred all your stored data from an old computer to a new computer? How careful did you have to be? How strenuous was the whole ordeal? Now, imagine transferring the data of an entire organization from one system to another. Or,..
Calculate the minimum repeater height : Calculate the minimum repeater height and transmitted EIRP for a repeater that must communicate with mobile stations over a 50 km radius, maintaining a minimum field strength of 50 mV/m at the mobile receiver, which has an antenna height of 1.5 m...
Which country appeals the most to you : Name at least four factors that will heavily influence your recommendation to Mr. Tobias. Explain why these factors are important. Which country appeals the most to you? Explain and defend your reasoning.

Reviews

Write a Review

 

Mechanical Engineering Questions & Answers

  Converted to thermal energy due to the collision

Consider a mass M is a distance L above the ground at constant temperature, TR. The mass is released, falls, and hits the ground. The kinetic energy just before it hits is converted to thermal energy due to the collision and is transferred to the gro..

  A power plant is analyzed as a simple rankine cycle with a

a power plant is analyzed as a simple rankine cycle with a boiler operating at a pressure of 7 mpa. steam leaves the

  The fluid viscosity u at any point in the boundary layer

the fluid viscosity u at any point in the boundary layer depends on the distance y of the point above the surface the

  A 380-liter tank contains steam initially at 300 kpa and

a 380-liter tank contains steam initially at 300 kpa and 400degc. a valve is opened and steam flows out of the tank at

  Larger tank for settling and aeration

A water purification plant uses one tank for chemical sterilization and a second, larger tank for settling and aeration. Each tank is equipped with two sensors that measure the height of water in each tank and the flow rate of water into each tank..

  Find the stiffness of the isolation pad

find the stiffness of the isolation pad if the maximum permissible values of deflection and acceleration of the instrument are specified as 10 mm and 20g, respectively.

  Determine the transmission ratios for low and reverse gears

(Note the substantially greater ratio in reverse. This meant that for the unusual incline that was too steep for low gear, the car could always be turned around and driven up the incline in reverse!)

  Air is adiabatically compressed in a non flow process from

air is adiabatically compressed in a non flow process from a pressure of 14.7 psia and a temp of 70 deg to 200 psia and

  Determining the vapor pressure in the air

During a hot summer day at the beach when the air temperature is 30°C, someone claims the vapor pressure in the air to be 5.2 kPa. Is this claim reasonable?

  The final temperature

1. Water vapour at 90kPa and 150°C enters a subsonic diffuser with a velocity of 150m/s and leaves the diffuser at 190kPa with a velocity of 55m/s and during the process 1.5 kJ/kg of heat is lost to surroundings. Determine (i) The final temperature (..

  Does it seem to matter which plant produces the tractors

Use a confidence interval to express the estimated difference in population proportions of excellent ratings between the two groups of customers. Does it seem to matter which plant produces the tractors in terms of the quality rating received fro..

  Find the displacement, velocity and acceleration

For each configuration shown in table 1, determine the angular displacements, angular velocities and angular accelerations of links 3 and 4 graphically and analytically . Use the Excel sheet discussed in the lecture to help you do the analytical s..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd