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Two blocks are connected over a massless, frictionless pulley as shown in the figure. Block 2 has a mass of 1.00 kg and block 1 has a mass of 0.155 kg. The angle ? of the incline is 30.0°. The coefficients of static friction and kinetic friction between block m1 and the incline are ?s equal to 0.500 and ?k equal to 0.400, respectively. What is the value of the tension in the string?
If the ultimate shear strength of steel is taken to be 2.50x 10^9 Pa, what force is required to punch through a steel plate 2.2cm thick? Assume the superhero's fist has cross-sectional area of 8.00x 10^1 cm2 and is approximately circular.
A simple harmonic oscillator consists of a block of mass 4.10 kg attached to a spring of spring constant 350 N/m. What is the amplitude of the oscillations
Two identical diverging lenses are separated by 16 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens on the right
How to create a condition of weightlessness inside aircraft
An electron is accelerated by a constant electric field of magnitude 285 N/C. a. Find the acceleration of the electron (N) b. If the string can withstand a maximum tension of 0.180 N, what is the smallest value d can have before the string breaks.
I just got this wrong for the third time. A u-tube manometer is used to measure the pressure of a vessel under vacuum. Assume the manometer is open to atmospheric pressure.
A one loop circuit is connected thus: A 3.0 V source, with the + side connected to a 10 ohm resistor, how much power does the bulb dissipate
What is the rms current in a series RC circuit if R = 7.0 k, C = 0.80 µF, and the rms applied voltage is 100 V at 60 Hz and What is the phase angle between voltage and current
A particle of rest energy mc^2 is moving with speed v in the positive x direction. The particle decays into two particles, each of rest energy 140 MeV. Find the rest energy of the original particle
X-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. Calculate the number of lines per centimeter on the grating
The red block in the %u201CSame Volume%u201D floats in water. what volume of the blue block would float above the water line if the blue block was placed on top of the red block in the water
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