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A pesky 1.7-mg mosquito is annoying you as you attempt to study physics in your room, which is 5.5m wide and 2.5 m high. You decide to swat the bothersome insect as it flies toward you, but you need to estimate its speed to make a successful hit.
Part A: What is the maximum uncertainty in the horizontal position of the mosquito?
Part B: What limit does the Heisenberg uncertainty principle place on your ability to know the horizontal velocity of this mosquito?
Part C: Is this limitation a serious impediment to your attempt to swat it?
Deflection of the electron beam in a tube TV set is accomplished by magnetic forces. how far from the center of the screen does the beam strike
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that , What is the new range
Assume that the air temperature is 20C and that no wind is blowing. How much time would elapse if the wind were blowing toward the observer at 33.0Km/h from where the rail was struck?
The size of the virtual image formed by a lens is 2 times the size of the object. Find the focal length of the lens
A copper ball with a radius of 1.5cm is heated until its diameter has increased by 0.17mm .Assuming an initial temperature of 21?C
A cylinder with a piston contains ½ mole of an ideal gas initially at pressure 4.0 x105 Pa and temperature 300K. Compute the maximum pressure
If 11.6 g of gold is deposited on the negative electrode of an electrolytic cell in a period of 3.03 hours, then what is the current through the cell during this period
Water at 25 degrees celius is pumped from 100kPa to 5MPa in a pump with an efficiency of 75%, Calulate the temperature rise in the real pump
A 40 kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 30 degrees with the horizontal. Neglecting friction.
If John Glenn weighed 640N on Earth's surface, i) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice distance from the center of the Earth? ii) Why is it said that an astronaut is never truly weightless..
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..
A 7.00 g bullet, when fired from a gun into a 1.00 kg block of wood held in a vise, penetrates the block to a depth of 8.00 cm. To what depth will the bullet penetrate the block in this case
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