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An airplane flying at a constant speed of 160 m/s pulls out ofa dive in a circular arc. The 80 kg pilot presses down on hisseat with a force of 4000 N at the bottom of the arc. What is the radius of the arc?
A particle of mass m moves next to the x axis. Its position varies with time according to x=(3m/s^3)t^3-(4m/s^2)t^2.
An object is placed 13 cm in front of a concave mirror whose focallength is 17 cm. The object is 3.7 cm tall. Determine(a) the location of the image, taking a real imageas a positive value and a virtual image as a negative value.
a park ranger wanted to measure the height of a tall tree. The ranger stood 9.50 m from the base of the tree, What is the height of the tree
One way to decrease your use of fossil fuels is to heat your water via solar radiation. A solar water heater runs cold water through dark, radiation absorbing tubing.
Three electrons are placed at the vertexes of an equilateral triangle with side length of 5.1 nm. find the potential energy of this arrangement of charges
A car speeds past a stationary police officer while travelling 115km/h. The officer immediately begins pursuit at a constant acceleration of 10.20 km/h/s (note the mixed units), just as the driver passes the officer.
An object that is moving rightward is acted upon by the force shown. what is the work done on the object by the force
A parallel-plate capacitor has square plates that are 6.00cm on each side and 4.20mm apart. If the potential difference between the plates is 78.0V , how much electrical energy is stored in the capacitor
A pipe comes diagonally down the south wall of a building, making an angle of 45? with the horizontal. Coming into a corner, the pipe turns and continues diagonally down a west-facing wall, still making an angle of 45? with the horizontal. What..
A student sitting on a frictionless rotating stool has rotational inertia 0.90 kg*m^2 about a vertical axis through her center of mass when her arms are tight to her chest. The stool rotates at 6.80 rad/s and has negligible mass.
A 10 g ball of clay traveling east at 1.5m/s collides and sticks together with a 30g ball of clay traveling north at 2.5m/s. What is the speed of the resulting ball of clay
You have a 1.99-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
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