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If the Earth's radius is rounded to 6,400km, and Earth's orbital radius is 1AU, how much longer of a baseline is the diameter of Earth's Orbit to the diameter of Earth?
A block with mass m = 15kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4234N/m after being compressed the distance x1 = 0.536m from the spring's unstretched length. The floor is frictionless except for a roug..
In lab you find that a 1-kg rocksuspended above water wights 10 N. when the rock issuspended beneath the surface of the water , the scale reads8N.
Rare 1918 "Jenny" stamp, depicting a misprinted, upside-down Curtiss JN-4 "Jenny" airplane, was sold at auction for $525,000. A collector uses a simple magnifiying glass to examine the "Jenny," obtaining a linear magnification of 2.4 when the stam..
Transverse pulses travel with a speed of 220 m/s along a taut copper wire whose diameter is 1.20 mm. What is the tension in the wire
Several people are riding in a hot air balloon. The combined mass of the balloon and the people totals 355 kg. how much mass should be dropped overboard so that the system acquires a net upward acceleration of .150 m/s2
a 0.073 kg arrow is fired horizontally. the bowstring exerts an average force of 75 n on the arrow over a distance of
the sweep-second hand of a clock is 3.2 cm long. what are the magnitudes of a the magnitude of the average velocity
a 10.0-kg box is pulled by a horizontal wire in a circle on a rough horizontal surface for which the coefficient of
A convex spherical mirror has a radius of curvature of 10.0, Calculate the location of the image formed by an 8.00-mm-tall object whose distance from the mirror is 10.0 cm .
A boat moves through the water with two forces acting on it. One is a 1800 N forward push by the water on the propeller, What will its velocity be at the end of that time
A woman who weighs 482 N is leaning against a smooth vertical wall,as the drawing shows. Find (a)the magnitudeof the force FN (directed perpendicular to thewall) exerted on her shoulders by the wall and the (b) horizontaland (c) vertical components ..
A positive charge Q = 6400.00 C is uniformly distributed over the volume of a sphere of radius R =1.50 m. Assume a spherical cavity of radius R/2 is cut out of the solid sphere, the center of the cavity being a distance R/2 from the center of the ori..
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