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A physical pendulum is constructed using a 2 kg object having a moment of inertia of 25.9 kg-m2 about its center of mass. The rotation (suspension) point is 970.5 cm from the center of mass. What is the period of this physical pendulum?
A 25 g glass tumbler contains 410 mL of water at 24 °C. If two 20 g ice cubes each at a temperature of -3 °C are dropped into the tumbler
Monochromatic light ( = 630 nm) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.20 m from the slits. It shows the interference pattern observed on the screen. What is the slit separatio..
A pipe filled with natural gas [methane (CH4)] is punctured by a line of small holes 1.00 cm apart down its entire 2.2-m length. What frequency is being played in this picture
when it is very far from the asteroid it will be traveling with speed 187 m/s. We have a large and powerful spring whose stiffness is 3.0 105 N/m. Explain how much must we compress the spring?
A 0.250-kg toy is undergoing SHM on theend of a horizontal spring with force constant k =200 N/m. What is the total energy of the object at any point of its motion
If the bunting support rope is at 30 degree to the vertical and its tension force is 400N, what is the vertical component of the tension, and what is the horizontal pull from the bunting
In attempting to jump start a car of mass 1100kg, two brotherseach push with an equal force of magnitude 670N parallel to thecar's velocity. Find the friction force that acts on the car
A physics student wants to cool a glass of Diet Cola (mostly water), initially at 27°C, by adding ice initially at -18°C. If there is 250g of Diet Cola in the glass, how much ice must they add so that the final temperature will be 0°C?
a rescue helicopter lifts a 70-kg person straight up by means of a cable. the person has an upward acceleration of 0.70
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +44.0 cm. How far behind the concave lens should the film be placed
If its length is 49.8 m when measured from inside the spacecraft, what is its length measured by a ground observer
a pendulum consists of a mass hanging from a string of length 1.0 mattached to the ceiling. suppose that this pendulum
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