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Two blocks of masses m1 = 2.00 kg and m2 = 4.80 kg are released from rest at a height of h = 5.60 m on a frictionless track. When they meet on the level portion of the track, they undergo a head-on, elastic collision. Determine the maximum heights to which m1 and m2 rise on the curved portion of the track after the collision.
A typical power plant uses some fuel as the source of heat (QH) to drive a heat engine that does work (W) to drive a generator that is connected to the electrical grid.What is rate of flow and How do we find the power
A water heater consisting of a metal coil that is connected across the terminals of a 18-V power supply is able to heat 255 mL of water from room temperature (20°C) to boiling point in 75 s.
The Ed-Scale defines the perfect temperature of a martini to be 8.0 degrees E and boling point of antifreese to bee 100 degrees E. Use this equation to find the freezing point of water in Eds
Monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10^(-10) s. The light the emerges will no longer be monochromatic. What will be the spread of the wavelengths?
jose is looking to the east. lightning bolt 1 strikes a tree 300 m from him. lightning bolt 2 strikes a barn 900 m from
The mass of the Sikorksky UH-60A helicopter is 9300kg. It takes off vertically at t=0. How fast is the helicopter rising 3 seconds after it takes off
a massive ring radius a and mass m lies on the xy plane. calculate the force f on a test mass m at position z on
A charge of -2.450?C is located at (2.650m , 4.502m ), and a charge of 1.745?C is located at (-2.796m , 0). Find the electric potential at the origin
A pair of slits, separated by 0.180 mm, is illuminated by light having a wavelength of ? = 612 nm. Express this path difference in terms of the wavelength
A 12 g bullet travelling at 420 m/s is fired into the middle an unlatched 32.0 kg door. The door in hinged on one end, is 1.20 m wide and has I = 1/3 Md2. The bullet hits the middle of the door. What is the angular speed of the door just after the bu..
two conductors having net charges of 10.0microc and -10.0 microc have a potential difference of 10.0 v between them.a
the potential energy stored in a magnetic field arises becausea of the knestic energy of the moving charges.b of the
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