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It moon's radius is 1600 Km and "g" on its surface is found to be 1.6 m/s. Find the escape velocity on the moon provided air friction is negligible.
In the lungs there are tiny sacs of air that are called alveoli. An oxygen molecule (mass = 5.30 x 10-26 kg) is trapped within a sac, and the uncertainty in its position is 0.140mm. What is the minimum improbability in the velocity of this oxygen ..
A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of -0.4 µC. How many electrons are transferred from the wool shirt to the plastic rod
An electron is accelerated through a potential difference of 3.00 V before colliding with a metal target. What minimum-wavelength light can such an electron emit
The current in a 100 watt lightbulb is 0.900 A . The filament inside the bulb is 0.280 mm in diameter. What is the current density in the filament
A flask containing 800 g. of water is heated. If the temperature of the water increases from 27 degrees Celsius to 88 degrees Celsius, how much heat (in joules) did the water absorb.
an oscillating lc circuit has a current amplitude of6.50ma a potential amplitude of 250 mv and a capacitance of 245
You want to lift a heavy box with a mass of 98 kg using a two pulley system. If you lift the box by 1 m, how much work is done by gravity
If vector "B" is added to vector C =3.0i + 4.0J, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of vector "C". What is the magnitude of vector "B".
Calculate the adiabatic flame temperature attained when methane at 298k, is combusted (a) with oxygen in the molar ratio air/CH4 = 9.524. Assume that CO2 and H2O are the products of the combustion. The adiabatic flame temperature is that temperature ..
A 210 g piece of ice at 0°C is placed in 410 g of water at 22°C. The system is in a container of negligible heat capacity and is insulated from its surroundings. How much of the ice melts
A gas is enclosed in a container fitted with a piston of cross-sectional area 0.150 m2. If the internal energy of the gas decreases by 6.40 J, find the amount of heat removed from the system by heat during the compression
What would be the electric current intercepted by the total surface area of the planet?
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