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A water balloon is launched at a building 24 m away with an initial velocity of 18 m/s at an angle of 50 degrees above horizontal.
At what height will balloon strike building.
If ballon misses or shoots over building how far will ballon land from it launch location.
The balloon can be launched from more than 24 m away from building at same speed and angle and still hit exactly same height calculated in first part of problem. Determine this second launch location.
The position of a cart that is oscillating on a spring is given by the equation x= 12.3 cm cos [(1.26 s-1)t] . When t= .805s , what are the (a) velocity and (b) acceleration of the cart ?
A wheel 65 cm in diameter accelerates uniformly from 230 rpm to 355 rpm in 7s. How far will a point on the edge of the wheel have traveled in this time.
A 5.0 nC point charge sits at x = 0. At the same time, a 4300 N/C uniform electric field (created by distant source charges) points in the positive x-direction. A. At what point along the x-axis, if any, would a proton experience no net force? B. ..
A cylindrical container with a cross-sectional area of 66.2 holds a fluid of density 816 kg/m3, and bottom of the container the pressure is 118 kPa. What is the depth of fluid.
A photoelectric experiment using a cesium metal surface produces stopping potentials of 0.95V and 0.38V using light with wavelengths of 435.8nm and 546.1nm, respectively. find the threshold frequency
A cylindrical container 2.00 tall contains mercury to a certain depth; the rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth.
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2kg block.How much force does the 4 block exert on the 6.0 block.
A small sphere of charge q1 = 0.872 µC hangs from the end of a spring. When another small sphere of charge q2 = -0.642 µC is held beneath the first sphere, the spring stretches by d = 3.57 cm from its original length.
A ramp is a simple machine which can be used to load heavy items onto a truck. What is the mechanical advantage of a ramp that makes the angle of 26o regarding the horizontal.
Two metal plates are held together by two steel rivets, each of diameter 0.24cm and length 1.2cm.How much force has to be applied parallel to the plates to shear off both rivets.
A square conducting loop has side a and carries clockwise current I as shown in the diagram. calculate the magnitude and direction of the magnetic field at the center of the square
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