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A weather vane initially at rest has a moment of inertia of 0.122 kg · m2 about its axis of rotation. A 61.5 g piece of clay is thrown at the vane and sticks to it at a point 13.5 cm from the axis. The initial velocity of the clay is 28.0 m/s, directed perpendicular to the vane. Find the angular velocity of the weather vane just after it is struck.
The right-side rearview mirror of Mike's car says that objects in the mirror are closer than they appear. What is the focal length of the rearview mirror
A space vehicle is traveling at 3690 km/h relative to Earth when the exhausted rocket motor is disengaged, What is the speed (in km/h) of the command module relative to Earth just after the separation
q1. at an amusement park you went on a ride that malfunctioned. what was the angular displacement of the ride after
An air conditioning unit keeps a house cool at 68 degrees Fahrenheit when the outsid temperature is 95 degrees Fahrenheit. how much does it exhaust to the outside
A 75.0 kg football player leaps straight up into the air (with no horizontal velocity) to catch a pass. how fast was the ball travelling
In a physics lab experiment, a student immersed 201 one cent coins (each having a mass of 3.00) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.240 of water at 20 in an insulated contai..
Gold, which has a mass of 19.32 g for each cubic centimeter of volume, is the most ductile metal, what is the area of the leaf in square meters
a soccer ball is kicked from the ground with an initial speed of 18.0 ms at an upward angle of 46.3. a player 53.2 m
A battery in a circuit has an emf of 8.8 V. The only other component in the circuit is a resistor. 4.4 A of current flows in the circuit. What is the potential difference across the battery
Three 1.50-V cells, each with an internal resistance of 0.0500?, are connected in series to form a battery with a current of 0.850A in each cell. Find the current in the external circuit
A long, straight wire carries a current I1 = 3.5 A and is a distance h =15 cm from a rectangular current loop that carries a current I2 = 1.5 A. What is the force exerted by the current loop on the wire
A person on earth notices a rocket approaching from the right at a speed of 0.74c and another rocket approaching from the left at 0.52c. What is the relative speed between the two rockets
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