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A 700-g block is released from rest at an initial height, above a vertical spring with constant k=400N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing the spring 19.0 cm. How much work is done by the block on the spring and what is the value of the initial height?
question 1 what is the power rating of an appliance that uses 8 amps of current when plugged into a 120 volt
A stainless-steel orthodontic wire is applied to a tooth that is out of line by 40 degrees. find the magnitude of the force on the tooth
determine the upward force on an airplane's wing if the average flow speed of air is 192 m/s above the wing and 164 m/s below the wing. The density of the air is 1.5 kg/m3 and the area of each wing surface is 26 m2.
Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
She wants glasses that will let her see objects at a distance of only 25 cm from her eyes. Examine the focal length of the glasses needed if the glasses are 2 cm and 3 cm from her eyes.
In the troposphere, the part of the atmosphere that extends from the surface to an altitude of about 11 km, calculate the pressure p at height y=8863m
A 2.00-nF capacitor with an initial charge of 5.06 µC is discharged through a 1.28-k? resistor. What is the maximum current in the resistor
The electric potential due to the charge distribution?
A prism is made of glass of unknown RI. A parallel beam of light is incident on a face of the prism. The angle of min deviation is measured to be 40 degree. What is the Refractive Index of the prism
The mean (average) of their squares
An airtight box has a removable lid of area 1.10 multiplied by 10-2m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 0.80 multiplied by 105 Pa.
A rocket traveling 1850 m/s away from the Earth at an altitude of 6800 km fires its rockets, at what rate must the gases be ejected
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