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A 52.5 g ball movesat 32.5 m/s. If its speed ismeasured to an accuracy of 0.15%, what is the minimum uncertainty in its position?
m
a near-sighted person might correct his vision by wearing diverging lenses with focal length f -40 cm . when wearing
A pendulum makes 24 oscillations in 33s. A) Find the period. Express your answer to two significant figures and include the appropriate units. B) Find the pendulum's length. Express your answer to two significant figures and include the appropriate u..
A resistance R and a 4.7-H inductance are in series across a 60-Hz ac voltage. The voltage across the resistor is 22 V, What is the ac input voltage
A rectangular prism of plastic (ρ=600kg/m3)measuring 2cm x 2cm x 4cm is dropped into a bucket of gasoline(ρ+700 kg/m3). How much downward force, measured inN, would be required to push the plastic prism below the surface of the fluid?
A cylinderical wooden log rolls (without slipping) down a small ramp. The log has a radius of 15 cm, a length of 2.0 m, and a mass of 78 kg. What is the log's total kinetic energy at the bottom of the ramp
X rays with a wavelength of 0.14nm undergo first-order diffraction from a crystal at a 73 degree angle of incidence. What is the angle of second-order diffraction
After the Sun exhausts its nuclear fuel, its ultimate fate will be to collapse to a white dwarf state. Calculate the average density of the white dwarf
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. a)What is the work function of the surface? b) What is the cutoff frequency for this surface?
Consider a 53-cm-long lawn mower blade rotating about its center at 3400 rpm. Calculate the linear speed of the tip of the blade
suppose that a particle accelerator is used to move two beams of particles in opposite directions. in a particular
an electron and a proton are each accelerated through a potential difference of 21 million volts. find the momentum in
A Boeing 747 jet with a wingspan of 60.0 m is flying horizontally at a speed of 324 m/s over Phoenix, What voltage is generated between the wingtips
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