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A person with mass m1 = 59.0 kg stands at the left end of a uniform beam with mass m2 = 93.0 kg and a length L = 2.9 m. Another person with mass m3 = 68.0 kg stands on the far right end of the beam and holds a medicine ball with mass m4 = 13.0 kg (assume that the medicine ball is at the far right end of the beam as well). Let the origin of our coordinate system be the left end of the original position of the beam as shown in the drawing. Assume there is no friction between the beam and floor.1) What is the location of the center of mass of the system? Location = 1.5872) What is the new x-position of the person at the left end of the beam? (How far did the beam move when the ball was throw from person to person?)3) To return the medicine ball to the other person, both people walk to the center of the beam. At what x-position do they end up?
a man is standing near a gate and a flag pole. The gate is 15 ft from the pole. If the pole is h=35 ft tall, how far is the man from the gate
Neutron stars consist only of neutrons and have unbelievably high densities. Find the density of such a star
On the salt flats of Bonnevile, Utah (latitude 41 degrees N) the British auto racer John Cobb in 1947 became the first man to travel at a speed of 400 mph on land. If he was headed due north at this speed, find the ratio of the magnitude of the Co..
A vacuum diode consists of a cylindrical cathode of radius 0.05cm, mounted coaxially within a cylindrical anode 0.45 cm in radius. Find its speed when it strikes the anode
An unloaded Hummer has a standard ground clearance of 40cm, and an unloaded mass of 2000kg. What is the total mass of the hummer
A roller coaster car traveling at a constant speed of 20.0 m/s on a level track comes to a straight incline with a constant slope, How far has the car traveled up the incline at this time
find capacitance of a paraell-plate capacitor with area 34_cm^2, seperation distance 0.72_mm an dielectric with constant 2.5. use 8.85 x 10^-12 C^2/N*m^2
The biological activity of some organs can be investigated using radioactive isotopes. For example, iodine is important in the action of the thyroid. if the physical half life of is 194 hr, what is the biological half life of iodine in the bulk of ..
A shell is fired at an angle of 20 degree above the horizontal at a velocity of 200 m/s a) what is the range. b) What is its velocity at highest point of the trajectory.
A boat has a mass of 4710 kg. Its engines generate a drive force of 3610 N due west, What is the boat's acceleration, with correct sign
In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 85.7%, Find the number of SUVs in the lot
The terminal voltage of a certain battery is measured with the battery disconnected and is found to be 6.36 V. The internal resistance of the battery is 1.05 ?. Find the voltage across the battery terminals when there is a current of 1.92 A from the ..
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