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A 3.0kg object is subject to a restoring force. The potentialenergy of the object as a function of the distance from equilibriumis shown above. (there is a graph) The particular object hasa total mechanical energy of 0.4 J.
a.) What is the objects potential energy when itsdisplacement is +4 cm from its equilibrium position?
q1. while a roofer is working on a roof that slants at 44.0 above the horizontal he accidentally nudges his 93.0
Express the power in terms of some or all of the variables given in the problem introduction.
At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 810 m/s2, find the magnitude of the net force acting on the soccer ball
Susan, driving north at 52 mph , and Shawn, driving east at 52 mph , are approaching an intersection. What is Shawn's speed relative to Susan's reference frame
A block with mass mA = 11.0kg on a smooth horizontal surface is connected by a thin cord that passes over a pulley to a second block with mass mB = 6.0kg which hangs vertically
The following charges are located inside a submarine: 2.80 µC, ?9.00 µC, 27.0 µC, and ?76 µC. Calculate the net electric flux through the hull of the submarine
Air streams horizontally past a small airplane's wings such that the speed is 63.0m/s over the top surface and 53.0m/s past the bottom surface. What is the direction of the net vertical force (including the effects of gravity) on the airplane
A horizontal ray of light falls on a vertical plane mirror free to turn about the horizontal axis. If the mirror turns through 20o, by what angle does the reflected ray turn.
A passenger plane lands on the runway at 300kmhrô???1. In a glass of water in the cabin, calculate the deceleration of the plane
Two free charges(+)q and (+)4q are separated by a distance l meters. find the magnitude,sign and location of a third charge which makes the system in equilibrium
A circuit contains six 240 ohm lamps with 60 W bulbs and a 10 ohm heater connected in parallel. the voltage across the circuit is 120 V. If the circuit has a fuse rated at 12 A, would it melt if everything is on.
A proton is located at the origin, and a second proton is locatedon the x-axis at x = 5.12 fm (1 fm = 10-15 m). Use conservation of energy to calculate the speed of the alphaparticle at infinity.
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