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A boat with a horizontal tow rope pulls a water skier. She skis off to the side, so the rope makes an angle of 13.0 degrees with the forward direction of motion. If the tension in the rope is 200 N, how much work does the rope do on the skier during a forward displacement of 270m?
after completing the calculations below sketch the ph curve for the titration of 25.0 ml of 0.200m solution of a weak
The fastest measured pitched baseball left the pitcher's hand at a speed of 48.0m/s. how much time did it take him to pitch it
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an observer stationed between them, What is the speed of the second train
A uniform solid disk of mass m = 3.04 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 5.93 rad/s. Calculate the magnitude of the angular momentum of the disk
Illustrate what is the maximum vertical displacement that he ball reaches during its trajectory?
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. Which ball has greater kinetic energy
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, What horizontal velocity do you need to program into the system
A particle of mass 0.350 kg is attached to the 100-cm mark of a meterstick of mass 0.125 kg. Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 50.0-cm mark
In a friendly game of handball, you hit the ball essentially at ground level, How high is the ball when it hits the wall
A hydrogen atom in a state having a binding energy (the energy required to remove an electron) of 0.544 eV makes a transition to a state, What is the energy of the photon emitted as a result of the transition
A tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, it launches a second ball. I already found - At what time (after the first launch) are the two balls at the same height? = 2.8s What..
Two identical 10 g iron springs, except that one has been wound using work W, are dropped into equal volumes of 15M HC1 in two identical constant volume calorimeters, that are adiabatically insulated. The HC1 will dissolve iron springs. What differen..
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