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1. When a bow and arrow are cocked, a force is applied to the string to pull it back. Is the energy of the system increased? Explain.
Assuming that the soil layers continue much beyond 60 feet in a similar pattern (obviously no landfill) in terms of friction and bearing capacities, recommend two different solutions that could allow the shafts to transmit their loads by 1) end be..
A net force of 20 N accelerates a 9-kg mass over a distance of 20 m. What is the increase in kinetic energy of the mass
What are your values? What are your beliefs? What do you think about? What do you dream about? What do you cry about? What do you sing about? What are your strengths?
On a roller coaster the first hill has a height of 30m while the second hill as a height of 15m. what is its speed at the top of the second hill
You want to make sure that the hill slope -the earth of which has also been excavated by your teams and the organic soil and vegetation removed- will remain stable for the safety of your workers.
A coin placed on a turntable rotating at 36.1 rev/min will stay there if its center is placed no further than 7.1cm from the axis of rotation. find the maximun distance the center of the coin can be placed
A solid shaft with a diameter of .75 in. The subject is torqued at B(35lb*ft clockwise), C(20lb*ft counterclockwise), D(40 lb*ft counter clockwise) and E(25 lb*ft clockwise).
Identify a company with a visible organizational culture. Learn as much as you can about that company’s culture, using library resources, online sources, contacts within the company, and as many creative means as you can.
At Quality General Hospital (QGH) the following steps are used in patient food preparation and tray delivery to hospital patients. The patient completes the menu card marking his/her selections on the card. Nursing personnel on the floor check the me..
If the stage of a stream increases by 40% and the slope of the water surface becomes half of its original slope, then what will be changes in discharge of the stream
A diffraction grating has 1380 lines/mm. You desire to detect two sodium lines at 589.0 nm and 589.6 nm with a detector. how far away should the dectector be placed from the grating
find the potential difference VB - VA, using the blue path.
A man lifts a 20.0-kg bucket of concrete from the ground up to the top of a 20.0-m tall building. How much work was done by the man in lifting the bucket
Two capacitors are connected in series. Let 3.40mF be the capacitance of first capacitor, 5.30mF the capacitance of the second capacitor, and Vab= 57.0 V the potential difference across the system. A)Calculate the charge on each capacitor. B)Calcu..
A 0.33-m-long violin string has a mass of 0.89 g. The peg exerts a 45 N force on it. Determine the lowest frequency sound produced by the vibrating sting
An 79-kg stuntman jumps from a window of a building situated 33 m above a catching net. Assuming that air resistance exerts a 100-N force on the stuntman as he falls, identify his velocity just before he hits the net.
A small container of water is placed on a carousel inside a microwave oven, at a radius of 14.0 cm from the center. What angle does the water surface make with the horizontal
An electron and proton move in circular orbits in a plane perpendicular to a uniform magnetic field B. Find the ratio of the radius of electron to the proton
Four vectors A,B,C ,D and are shown (not to scale). Vector A has magnitude 23.0 and acts at an angle of 14.7 degrees with respect to the positive x axis. find the magnitude and direction of the resultant vector R
What is the direction from the players original point. he estimates that the car is about 400 m away.
A 1.70 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall.
What is an electric potential at a point
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