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A driver runs horizontally off the end of a driving tower 3.0 meter above the surface of the water with an initial speed of 2.6 m/s. During her fall she rotates with an average angular speed of 2.2 rad/s. Compute how many revolutions has she made when she hits the water?
A motorist drives south at 22 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30 m/s for 1.00 min. For this 6.40 min trip, find out the following values.
An amount of ideal gas is con?ned to a sealed box at one-half atmospheric pressure, i.e., 50.65 kPa. What is the new pressure of the gas in the smaller box
An ice skater rotating at 53.0 rad/s with her arms extended has a moment of inertia of 2.25 kg m2. compute her angular speed
Charged Metal Sphere A charged metal sphere ofradius 11 cm has a net charge of2.0 10-8 C. What is the electric field at the sphere'ssurface? what is the electric potentialat the sphere's surface?
A model rocket blasts off from the ground, rising straight upwardwith a constant acceleration that has a magnitude of 80.4m/s2 for 1.72 seconds, at which point its fuel abruptlyruns out. Air resistance has no effect on its flight. What maximum altit..
It will be shown later that the scale height, H, is proportional totemperature, T. For an average temperature of 255 K, the scaleheight is 7.5 km assuming an isothermal atmosphere
A ball attached to a string is twirled in a circle of radius 1.25 m. If the constant speed of the ball is 2.25 m/s, what is the period of the circular motion
A car with a mass of 1500kg moving at 40m/s comes to a stop in8 seconds. What is the change in momentum of the car
Click on the Energy vs. Position button to see a plot of the kinetic, potential, thermal, and total energies as a function of the skater's position. Try Bar Graph to see the same information as a bar graph. For this tutorial, you should have the C..
Pool players often pride themselves on their ability to impart a large speed on a pool ball. At what speed did his pool ball hit the ground
A proton is moving toward a wire that carries current in the direction shown. What is the direction of the force on the proton
On a frictionless horizontal air table, puck A (with mass 0.253kg ) is moving toward puck B (with mass 0.365kg), which is initially at rest. After the collision, puck A has velocity 0.115m/s to the left, and puck B has velocity 0.655m/s to the right...
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