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A uniform meter stick is in static rotational equilibrium when a mass of 220 g is suspended from the 5.0 cm mark, a mass of 120 g is suspended from the 90 cm mark, and the support stand is placed at the 40 cm mark. What is the mass of the meter stick? please show your work.
A batter hits a baseball straight upward at home plate and the ball is caught by the catcher 5.0 s after it is struck. What is the speed of the ball when it is caught
The speed of sound in Helium is 1010 m/s.Suppose you use a tuning fork with a frequency of 522 HZ. What would be the separation of the 2 maxima in a standing wave apparatus if the tube were filled with helium gas?
A plane is flying southwest at 155 mi/h and encounters the wind from the west at 45mi/h? what is the planes new velocity with respect to the ground in standard position.
A circular surface with a radius of 0.059m is exposed to a uniform external electric field of magnitude1.58*104 N/C. The electric flux through thesurface is 80 N · m2/C. What is the angle between the direction of the electric field andthe normal to t..
(a) How much does a 70.0 kg person weigh on the Earth? (b) How much would she weigh on the Moon (gmoon = 0.166g)? (c) How much would she weigh on a neutron star where gstar = 1.43×1011g?
A 2.4 kg iron ball is dropped from a height of 14 m onto a concrete roadway, What is the ball's increase in temperature
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.60 m/s2. What angle does the ramp make with respect to the horizontal
A 67 kg man weighs 637 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 19 percent of the body weight.
A plot of the temperature versus the energy per kg added to a piece of ice as it goes from below freezing at - 10°C to becoming steam at 110°C consists of straight lines, What do the upward slopes represent
An incident beam of photons is scattered through 167.0° the wavelength of the scattered photons is 125.29 pm. What is the wavelength of the incident photons
A raw egg can be dropped from a third-floor window and land on a foam-rubber pad on the ground without breaking. How much is the pad compressed
A simple pendulum makes 140 complete oscillations in 2.50 min at a location where g = 9.80 m/s2. Find the period of the pendulum
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