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A hydraulic jack is made by a small piston 1.3 cm in diameter that is utilized to move a large piston 6.1 cm in diameter. If a man can exert a force of 360 N on the small piston, how heavy a load can he lift by the jack?
An underwater scuba diver sees the Sun at an apparent angle of 26? from the vertical. What is the Sun's angle of inclination
When G was first measured by Henry Cavendish, newspapers of the time hailed his experiment as "weighing Earth experiment." And Why.
A coil of 57 turns of wire has diameter has diameter of 9.5 cm and carries 7.2 Amperes. find How many Gauss is that
A small blob of putty of mass m = 90.0 g falls from the ceiling and lands on the outer rim of a turntable of radius R = 15.0 cm and moment of inertia I = 1.90E-2 kg·m2 that is rotating freely with angular speed 3.77 rad/s about its vertical fixed-..
Mars orbits the Sun at a mean orbital radius of 228 Gm (1 GM =109 m) and has an orbital period of 687 d. Earth orbitsthe Sun at a mean orbital radius of 149.6 Gm. The Earth-Sun line sweeps out an angle of 360° during one Earth-year. Approximately ..
a 1.2 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive
While a person is walking, his arms swing through approximately a 45.0^\circ angle in 0.520s. What is the acceleration of a 1.60 gram drop of blood in the fingertips at the bottom of the swing
Two balls, of masses m(a) = 40 g and m(b) = 60 g, aresuspended. The lighter ball is pulled away to a 60 degreeangle with the vertical and released. what is the velocity ofthe lighter ball before impact
In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (?196°C) and in boiling allyl alcohol (97°C). What value of absolute zero does the calibration yield
An infinitely long line of charge has a linear charge density of 5.00×10^?12 C/m. How close does the proton get to the line of charge
Two pieces of optically flat glass (n = 1.50) touch at one edge and a separated by a thin stretched fiber at the opposite edge. Light of wavelength 500 nm is shone from above and 100 dark fringes are counted. How thick is the fiber?
An electron is accelerated from rest through a potential difference that has a magnitude of 2.20 × 107 V. The mass of the electron is 9.11 × 10-31 kg, What is the relativistic kinetic energy (in joules) of the electron
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