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Derive an expression for escape velocity from earth, considering atmospheric drag force, following the law Fdrag=-kv2 where k is a constant Take mass being launched asm, acceleration due to gravity g, mass of earth M, radius of earth Rand height of atmosphere as H. Take H<<R.
charge of 5.00 x 10-9 c and a charge of -4.00 x 10-9 c are separated by a distance of 60.0 cm. find the position at
A 400kg baby grand piano is raised to the roof of a 100m building. If the cable breaks as it reaches this height, what will its velocity be the instant prior to impact
Illustrate what is the magnitude of the apparent weight of a 70 astronaut 3600 from the center of the Earth's Moon in a space vehicle moving at constant velocity?
A container of volume 0.40m3 contains 3.3 mol ofargon gas at 28°C. Assuming argonbehaves as an ideal gas, find the total internal energy of the gas
A When the magnetic flux through a single loop of wire increases by 30 Webers, a current of 40.0 A is induced in the wire. over what time did the flux change
For exercise, a 60 kg athlete runs up a 10-m high hill in 30 seconds. Assume the efficiency of the human body is 25%. Determine her metabolic power
An object is located 40 centimeter in front of a lens of focal length 40 centimeter. Estimate the lateral magnification of this system
Two banked curves have the same radius. Curve A is banked at 12.1o, and curve B is banked at an angle of 15.1 o. A car can travel around curve A without relying on friction at a speed of 13.1 m/s. At what speed can this car travel around curve B wi..
at its hot reservoir at 135 degrees Celsius and has a thermal efficiency of 22.0%. How much heat does the engine waste per cycle
In general only the heavier nuclei tend to show alpha decay. For large A it is found that B/A = 9.402 - 7.7 × 10-3 A. Given that the binding energy of alpha particles is 28.3 MeV, show that alpha decay is energetically possible for A > 151.
A physics student is standing on an initially motionless,frictionless turntable with rotational inertia 0.31kg·m2. He's holding a wheel of rotational inertia0.22 kg·m2 spining at 135 rpm about a vertical axis,
A race car completes a lap on a 1600 m long track with an average speed of 250 km/h. If the car's average speed on the first half of the track was 205 km/h, what was its average speed on the second half?
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