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A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 8.02mm. The nozzle shoots out water moving at 25.0 m/s.
a) At what speed is the water in the hosemoving?b) What is the volume flow rate?c) What is the mass flow rate?
If the uncertainty in the energy of an excited state is a billionth of an electron volt (1 neV), what is the half-life of the state
four charges q=4nC form a square, 20 cm on a side. what is the potential of electric field at the center of the square
The magnetic field inside the solenoid changes at a rate of 1.5 T/s. A conducting coil with 2000 turns surrounds the solenoid. What is the potential difference induced in the coil
A floodlight with a mass of 23 kg is used to illuminate the parking lot in front of a library. the floodlight is supported at the end of a horizontal beam that is hinged to a vertical pole, as shown. a cable that makes an angel of 19 degrees with ..
A 2.05 cm tall object is placed 30.0 cm to the left of aconverging lens with a focal length f1 =18.9 cm. A diverging lens, with afocal length f2 = -41.5 cm, How tall is the final image of the object
The small piston of a hydraulic lift has a cross-sectional area of 3.30 cm2, and its large piston has a cross-sectional area of 197 cm2. What downward force of magnitude F1 must be applied to the small piston for the lift to raise a load whose weight..
A 0.05 kg bullet traveling at 600 m/s hits a 7.4 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block
Water discharges from a horizontal pipe at the rate of 5.00 x 10-3 m3/s. At point A in the pipe where the cross-sectional area is 2.00 x 10-3 m2, What is the velocity of the water at point A
An open container holds ice of mass 0.595kg at a temperature of -13.5 celcius . The mass of the container can be ignored. How much time passes before the ice starts to melt
It is known that the electric force between two objects is muchstronger in magnitude than the attractive gravitational force. Twoparticles of masses 6.01 kg and 1.81 kg and charges 8.82 μC and-1.53 μC respectively are separated by a distance 10.6 ..
question1attempting to stop on a slippery road a car moving at 85 skids across a road at a 30 angle to its initial
If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop?
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