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A 1.00 kg block Is resting against a light, compressed spring at the bottom of a rough plane inclined at an angle of 30 degrees. Kinetic friction between box and plane is 0.100. Suppose the spring is compressed 10 cm from its equilibrium length. The spring is then released and the block separates from the spring and slides up the incline a distance 2.00 cm beyond spring normal lenth. What is the mechanical energy of system and the spring constant k?
Astronauts walking on the Moon are seen "bounding" rather than walking normally. Why?
A transverse wave propagates in the positive x-axis with a wavelength of .3m and a period of .001s. What is the frequency and speed of this wave
How much power does an automotive battery contain that can furnish 750 Amperes at 12.7 volts for a short period of time
A uniform cord has a mass of 0.300 kg and a length of 6.00 m (see Figure below). The cord passes over a pulley and supports a 2.00-kg object. Find the speed of a pulse traveling from the wall to the pulley
A rectangular block of wood floats in a calm lake. Show that, if friction is ignored, when the block is pushed gently down into the water and then released
Two small nonconducting spheres have a total charge of 93.1 C. When placed 1.01 m apart, the force each exerts on the other is 11.5 N. What is the charge on each? What if the force was attractive?
The mass of Mercury is 0.0550 times that of earth, and its radius is 0.380 times that of earth. Calculate the average density of Mercury
A wire is 3.500 m long. After applying a force to one end of the wire, it is now 3.504 m long. Calculate the tensile strain in the wire
Formulate a response that addresses whether or not you agree more guidance is needed and why; what you support and do not support about the proposal and why; and illustrate what modification you would make to the guidelines.
a supersized 5g cockroach walks out along a 1m long uniform horizontal wood flagpole which is connected to the side of a building with a light weight cable and a very low friction bearing. how far can the bug walk out along the pole before the cabl..
A 6 kg block slides along a frictionless horizontal surface. The block is acted on by two forces, a 4.5 N force to the left, and a 7.5 N force to the right. At what rate is the 4.5 N force doing work on the block at the instant when its speed is 4..
The max wavelength of light, which emits electrons is 460 nm. Calculate work function of sodium
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