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A certain spring is found not to obey Hooke's law; it exerts a restoring force Fx(x)=??x??x2 if it is stretched or compressed, where ?=60.0N/m and ?=18.0N/m2. The mass of the spring is negligible.
A) Calculate the potential energy function U(x) for this spring. Let U=0 when x=0.
Two small frogs simultaneously leap straight up from a lily pad. Frog A leaps with an initial velocity of 0.726 m/s, while frog B leaps with an initial velocity of 1.62 m/s
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Illustrate what is the speed of the electron when it is 10.0 from charge 1?
How long does it take the projectile to reach the top of its trajectory? Explain how high does the projectile go before it begins to fall?
How much force does a 150,000 N/C force exert on a deuteron.
You are given a container with 5.0g of hydrogen atoms. What is the total charge on the electrons in the container? What is the total charge on the protons
What is the work completed by the force of gravity.
The power output of a circuit is given by: P = i^2R = V^2/R = iV, Calculate the power output of each resistive element when a potential of 12 volts is applied
A cylindrical container 1.1 tall contains mercury to a certain depth. The rest of the cylinder is filled with water.If the pressure at the bottom of cylinder is two atmospheres, what is the depth.
A 1300 {rm N} crate slides 13 {rm m} down a ramp that makes the angle of 30^circ with the horizontal. If the crate slides at a constant speed, how much thermal energy is created.
A 480-kg sailboat has an acceleration of 1.17 m/s2 at an angle of 59.3 ° north of east, find the direction of the net force that acts on the sailboat
An initially motionless test car is accelerated uniformly to 145km/h in 8.28s before striking a simulated deer. The car is in contact with the faux fawn for .815s, after which the car is measured to be traveling at 82.0km/h. What is the magnitude ..
A barge of mass 5.0 104 kg is pulled along the Erie Canal by two mules, How much work is done on the barge by both of these mules together as they pull the barge 150 m along the canal
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