What is the force which the spring exerts
A spring has a spring constant k 1/4 8.75 N/m. If the spring is displaced 0.150 m from its equilibrium position, what is the force that the spring exerts? Show your work.
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A ball is launched into the air at an angle of 60° above the horizontal with a speed of 21.0 m/s. (a) What are the x- and y- components of the velocity of the ball 3.20s after it leaves the cannon? (b) What are the x- and y- components of the
A 50g ball travelling at 25 m/s is bounced off a brick wall and rebounds at 22 m/s. If the ball is in contact with the wall for 3.5 ms, what is the average acceleration of the ball during this time interval?
If this bullet was fired into 1 lbm of water at room temperature and all of the kinetic energy was converted into increasing the temperature of the water, find the water temperature increase in degrees F.
In a experiment, you fill a 250 mL Erlenmeyer flask with the vapor. Why must the volume of the flask be determined by filling it with water? (Consider: just because a flask is labeled as a "250mL flask" doesn't mean that the volume of the flask is
Calculate the test statistic x^3o to test the manufacturers claim. Round your answer to three decimal places (e.g. 98.7654). Is there sufficient evidence to support the claim that the standard deviation of the instruments is at most 0.00002?
For these conditions, what is the force (in units of lbf and N) transmitted to the structure holding the diffuser? Provide both direction and magnitude of the force, and use a picture to help present your answer.
If the sealed-tube manometer shown below had a height difference of 20.5 inches between the mercury levels, what is the pressure in the flask in torr and atmospheres?
A stainless steel tube (k= 14 w/m*k) used to transport a chilled pharmaceutical, has an inner diameter of 36 mm. What is the heat transfer rate per unit of tube length?
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