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Water is pumped steadily out of a flooded basement at a speedof 5.5 m/s through a uniform hose of radius 1.1 cm. The hosepasses out through a window 3.4 m above the waterline. What is the power of the pump (in Watts)?
Light of wavelength 400 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33. What is the wavelength of the light in the water
A projectile is shot from the edge of a cliff 115m above ground level with initial speed of 65m/s at an angle of 35 degrees with the horizontal.
A 190-?F capacitor and a 80m H inductor are in series with a 105 ? resistor. What is the impedance at the resonant frequency
A projectile is fired with an initial speed of 65.2 m at an angle of 34.5? above the horizontal on a long flat firing range. find The maximum height reached by the projectile
A hydrogen atom makes a transition from the n = 2 level to the ground state (corresponding to n = 1). Find the wavelength and the frequency of the emitted radiation
which is basically a diskshaped grindstone of mass 1.2 kg and radius 7.30 cm which operates at 700 rev/min. When the power is shut off, you time the grindstone and find out it takes 39.0 s for it to stop rotating.
Two Carts have a perfectly inelastic collision. Cart A has mass 34.8 kg and velocity 5.08 m/s directed north immediately before the collision. What is the speed of the two carts
What is the temperature of a sample of gas, when the average translational kinetic energy of a molecule in the sample is 8.01 × 10-21 J? What is the total translational kinetic energy, in kilojoules, of all the molecules of this sample, when it conta..
A 72.0-kg man is riding an escalator in a shopping mall. obtain the work done on man by the gravitational force
You are driving along a highway at 25.5 m/s when you hear a siren. You look in the rear-view mirror and see a police car approaching you from behind with a constant speed, How fast was the police car moving
An optical engineer needs to ensure that the bright fringes from a double slit are 15.7 mm apart on a detector that is 1.61 m from the slits. how far apart should the slits be
Suppose 1.0 mol of a monatomic ideal gas initially at 6.5 L and 290 K is heated at constant volume to 570 K, find the net energy entering the system (the gas) as heat
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