A 4.00-kg mass is attached to a spring hanging vertically and hangs at rest in the equilibrium position
The spring constant of the spring is 1.00 N/cm. The mass is pulled downward 2.00 cm and released. What is the speed of the mass when it is 1.00 cm above the point from which it was released?
A) 0.0443 m/s
B) 0.0744 m/s
C) 0.0201 m/s
D) 0.0866 m/s
E) The mass will not reach the height specified.
D
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Calculations of the Sun's future evolution indicate that it will blow away almost half of its mass in several relatively short episodes about 4 to 5 billion years from now before it is finally extinguished
a. True b. False Indicate whether the statement is true or false
A planet is furthest from the Sun in its elliptical orbit when it is at
A) apogee B) aphelion C) perigee D) perihelion
A body of mass 1 kg is pushed across a horizontal table by a force of 1 N. The observed acceleration is 0.7 m/s2. The force of friction opposing the motion is ________ N.
Fill in the blank(s) with the appropriate word(s).
A bucket is being lowered by a very light rope with a constant downward velocity. The tension in the rope must be
A) equal to the weight of the bucket. B) greater than the weight of the bucket. C) less than the weight of the bucket.