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A rocket moves upward, starting from rest with an acceleration of 32.0 m/s2 for 4.32 s. It runs out of fuel at the end of the 4.32 s but does not stop. How high does it rise above the ground?
A wire streches from the top of a vertical pole to a point on level ground 16 feet from the base of the pole. if the wire makes an angle of 62 degrees withe the ground, find the height of the pole and length of the wire.
A cube of metal has a mass of 0.569 kg and measures 3.09 cm on a side. Calculate the density and identify the metal
A girl rides the escalator that moves foward at a constant speed. As the girl raises, how do her gravitational energy and kinetic energy change.
A small electric car overcomes a 260N friction force when traveling 23km/h. What percent of the input power is used to drive the car
Presume a spherical planet P has a uniform density of 4.72 x 10^3 kg/m^3 and a radius R = 3604km. For a parcel that weighs 64N on the surface of the spherical Earth.
In a pure rotational spectrum of HS radical (eq bond length r=1.40 Angstroms) you notice that the most intense absorption corresponds to J=8-->9 transition. Estimate the sample temperature.
A flight attendant pulls her 63N flight bag a distance of 312m along a level airport floor at a constant velocity. The force she exerts is 39N at the angle of 59° above the horizontal.
A tank of water sits at the edge of a table of height 0.9 m. The tank springs a very small leak at its base, What is the water level h in the tank
A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. compute the amplitude A of the motion
If a feather is dropped on the moon falls 81.7cm in one second, calculate the acceleration due to gravity on the moon
Four identical masses of 2.1kg each are located at the corners of a square with 2.0m sides. What is the net force on any one of the masses
Two boxes with different masses M1 = 0.7 kg and M2 = 2.3 kg are tied together on a frictionless ramp surface, What is the tension in the rope connecting the two boxes
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