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A 800-g block is dropped onto a relaxed vertical spring that has a spring constant k =240.0 N/m. The block becomes attached to the spring and compresses the spring 52.5 cm before momentarily stopping. While the spring is being compressed, what work is done on the block with the gravitational force on it?
While the spring is being compressed, what work is done on the block with the spring force?
What is the speed of the block just before it hits the spring? (Suppose that friction is negligible.)
If the speed at impact is doubled, what is the maximum compression of the spring?
Since there is no accommodation and the implant allows for correct distance vision, a corrective lens for close work or reading must be used. calculate the power of the lens in the reading glasses
In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
Since Selma had so much fun, Arnold decides to take up sky diving as well. He falls out of the plane (with a parachute) and after a long time reaches a roughly constant speed of 55m/s. How far did he drop during that time
A face appears in a convex mirror; face is 75% its normal size and appears to be 24cm behind the mirror. How far was the face standing from the mirror
Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor. What is the least force you could exert on the refrigerator to move it
question1a space vehicle is travelling at 4190 kmh relative to earth when the exhausted rocket motor is disengaged and
Two capacitors C1 = 3.8 ?F, C2 = 17.8 ?F are charged individually to V1 = 14.4 V, V2 = 4.3 V. Calculate the final potential difference across the plates of the capacitors once they are connected
A jet with mass m = 50000.0 kg jet accelerates down the runway for takeoff at 1.7 m/s2. What is the net horizontal force on the airplane as it levels off
Sodium ions (Na+) move at 0.843 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
A spherical water drop 3.7 ?m in diameter is suspended in calm air due to a downward-directed atmospheric electric field of magnitude E = 12100 N/C. find the magnitude of the gravitational force on the drop
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole human bodies has a field strength of6.0T
A 1.82-cm high object is placed 22.0 cm in front of a concave mirror with a 3.55-cm focal length. What is the position of the image
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