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A 13.0-kg object undergoes an acceleration of 1.5 m/s^2.
(a) What is the magnitude of the resultant force acting on it?
(b) If this same force is applied to a 26.0-kg object, what acceleration is produced?
A symmetric concave lens is made of material of refractive index n=1.50 and radii of curvature |r|=20 cm. Determine the image distance and image height by making measurements on your diagram
To a first approximation, the Sun consists of a gas of equal numbers of protons and electrons. The temperature at the center of the Sun is about 10^7 K, Estimate the pressure at the center of the Sun
A 3.0 kg block rests on a 30 degree slope and is attached by a string of neglible mass to a sold drum of mass 0.80 kg and radius 10.0 cm, Find the angular accleration of the drum
Estimate the linear separation of two objects on the planet Mars that can just be resolved under ideal conditions by an observer on Earth who is:
A spaceship is observed by a stationary observer to be moving at .6 c. How fast does the laser beam travel relative to the observer
The electric potential at a position located a distance of 21.6 mm from a positive point charge of 8.70×10-9C, estimate the value of the second charge
A .32 caliber bullet fired from a revolver with a 3 in long barrel will have a relatively low muzzle speed of about 200 m/s. how fast will it be moving when it returns
Compressed air is used to fire a 52 g ball vertically upward from a 1.7-m-tall tube. How high does the ball go above the top of the tube
a one pound weight is released 3 feet off the ground. at the same time a two pound weight is released 5 feet off the
A -10nC charge is located at (0,0) on the x-y axis. What are the magnitudes of the electric field vectors at positions: (5 cm, 5 cm) and (0 cm, 5 cm)?
to measure the mass of an object, the object and a fixed 1.00 kg mass are held at rest on a frictionless surface with a llight spring under compression between the two objects. what is the mass of the object
The intensity of a cylindrical laser beam is 0.800 W/m^2. The cross-sectional area of the beam is 3.0*10^-4*m^2, What is the average power output of the laser
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