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Carlos and Jonathan are 40 meters apart. They run towards each other along stright path to give each other ahug. The speed of Carlos is 5.3 /s while the speed of Jonathan is 4.7 m/s. As they start to run Jonathan's dog leaves him and run towards Carlos at 7.0 m/s. Upon reaching Carlos the dog runs towars Jonathan and continues to run back and forth until they meet. What is distance traveled by the dog when the two finally hug each other?
A uniform rod of mass M and length L can pivotfreely (i.e., we ignore friction) about a hinge attached to a wall,as in Fig. 8–54. The rod is held horizontally and then released. At the moment of release, determine (a) the angular acceleration of t..
A beam of light strikes a sheet of glass at an angle of 57.0deg. with the normal in air. You observe that red light makes an angle of 38.1 degrees with the normal in the glass, What are the speeds of red and violet light in the glass
A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. determine the thermal conductivity of the Styrofoam.
One end of an insulated metal rod is maintained at 100 C and the other end is maintained at 0.00 C by an ice-water mixture. Find the thermal conductivity k of the metal
Light is reflected from a transparent coffee table. When the angle of incidence is 63.3°, What is the index of refraction of the material of the table
A small plastic sphere with a charge of -5.0 nC is near another small plastic sphere with a charge of -15 nC, what is the distance between the spheres
The string in a yo-yo is wound around an axle of radius 0.521 centimeter. Compute what is the speed of the yo-yo when it reaches the distance of 1.28 meter
A metal ball with a mass of 3.09x10-6 kg and a charge of +4.13 mC has a kinetic energy of 4.97x108 J. how close will it come to the plane before stopping
A circular coil of wire has a diameter of 20 centimeter and contains 10 loops. Find the minimum and maximum torques exerted on the coil by the magnetic field
A ladybug starts at the center of a 10.0in -diameter turntable and crawls in a straight radial line to the edge. Find the direction of the ladybug's displacement vector
A solid wood door 1.00 m wide and 2.00 m high is hinged alongone side and has a total mass 40.0 kg. Find the final angular speed of the door
A ball of relatively low density is thrown upwards. Because ofair resistance the acceleration while traveling upwards is-10.8m/s2. On its trip downward the resistance is in theopposite direction and the resulting acceleration is-8.8m/s2.
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