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A new frisbee is being developed that is madefrom four (4) masses that all are located 1m from thecenter (it's a BIG ROUND frisbee!). the masses are 1 kgeach, and are connected by thin, massless rods. Not countingthe rods, calculate the moment of inertia of this frisbee aboutit's center.
a vertical tube is closed at one end and open to air at the other end. the air pressure is 1.01 times 105 pa. the tube
it is found experimentally that the electric field in a certain region of earths atmosphere is directed vertically
a the harmonic oscillator can be used as a model for the vibrational motion of a diatomic molecule. describe the
The magnitude and direction of acceleration of body both are constant will the body moves in straight line
A 110kg linebacker tackles an 85kg halfback. immediately before the collision the linebacker is slipping with a velocity of 8.8 m/s north and the halfback is sliding with a velocity of 7.2m/s east.
A boxer punches another boxer with 2500N of force. The boxer's fist was traveling 10 m/s at the time of impact. What was the effective mass of the boxer throwing the punch
A cylinder with a piston contains 0.300 moles of oxygen at 2.20×10^5 pa and 340 K . The oxygen may be treated as an ideal gas. Find the internal-energy change during the final cooling
The centers of a 15kg lead ball and a 50g lead ball are separated by 10cm, What is the ratio of this gravitational force to the weight of the 50g ball
Light with a frequency of 2.55 x 1015 Hz ejects electrons from the surface of aluminum, which has a work function of 4.28 eV. What is the minimum de Broglie wavelength of the ejected electrons? nm
Ilya and Anya each can run at a speed of 8.70 \rm{mph} and walk at a speed of 3.60 \rm{mph}. How long does it take Ilya to cover the distance
assume the earth to be sphere of a uniform densitya what is its rotational energy? take the radius of the earth to be
A roller coaster shown below is built in your town. The radius of the circular part is 20 meters. As a physics student, you are invited to take the first ride. Find the speed of the car at the top of the circle
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