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Solve the all parts of given problem:
Problem: The Bengals are in desperate need of a field goal. The ball is placed 40 yards from the goal posts, whose cross bar is 10 feet off the ground. If the ball is kicked from ground level at an initial angle of 350 above the horizontal,
Part A: What is the minimum initial speed that the ball must have to insure that it passes over the cross bar?
Part B: How much time does it take the ball to reach the cross bar after the kick?
I need help to find the minimum initial speed that the ball must have to insure that it passes over the cross bar.
A spring of spring constant k=50 N/m has a mass of 2 kg on its end and is hung vertically. What is its maximum speed in its subsequent motion
Susie is out fishing on a calm, sunny day. She hooks an old tire that is resting on the lake bottom, and hauls it into her boat
A small plastic ball of mass 5.55 x 10-3 kg and charge+0.192C is suspended from an insulating thread and hangs betweenthe plates of a capacitor (see the drawing). The ball is inequilibrium, with the thread making an angle of 30.0owith respect to t..
A 4.2 meter long steel wire has a cross-section area of 0.052 cm2. Find the maximum weight that the wire can support
When the Earth, Moon, and Sun form a right triangle, with the Moonlocated at the right angle, as shown in the figure , the Moon is inits third-quarter phase. (The Earth is viewed here from above itsNorth Pole.)
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. What is the angle of the first-order diffraction
An aluminum rod is 19.5 cm longat 20°C and has a mass of 350 g. If 10000 J of energy is added to the rod by heat, what is the change in length of the rod
Two charged spheres are 12.62 cm apart. They are moved closer to each other enough that the force on each of them increases 3.50 times. How far apart are they now
A hiker weighing 565 N carries a 186 N pack up Mt. Whitney (elevation, 4420 m), increasing her elevation by 3000 m. Find the minimum internal work done by the hiker's muscles
A boy 11.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. How far from the tree will the dog catch the ball
Two Skaters collide and hold on to each other on a frictionless floor. find direction of the velocity of these skaters after the collision
A plane mirror:
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