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A football is thrown with an initial upward velocity component of 12.5m/s and a horizontal velocity component of 17.0m/s.
How much time is required for the football to reach the highest point in its trajectory?
How high does it get above the ground?
How much time after it is thrown does it take to return to its original height?
How far has the football traveled horizontally from its original position?
A cyclist is pedaling at a cadence of 60, so the bicycle wheel make 60 rotations per minute around the axis through its center. What is the wheel's angular speed
The four tires of an automobile are inflated to a gauge pressure of 2.1 105 Pa. Determine the weight of the automobile
A 45.50 cm diameter disk rotates with a steady angular acceleration of 2.00 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.30° with the positive x-axis at..
The given pair of capacitors in the figure below is fully charged by a 10.0-V battery. After 1.20 ms, what is the current in the resistor
A 1500kg weather rocket accelerates upward at 10m/s2. It explodes 1.9s after liftoff and breaks into two fragments, What was the speed of the heavier fragment just after the explosion
A 11.9-g mass is suspended 1.47 cm above a nonconducting flat plate, directly above an embedded charge of q. by how much will the mass be changed
The magnetic field due to a currnt pulse in a single long, straight axon nerve fiber is 1.2X10^-10T at a distance 0.0013m from axon. What is the current in the axon
The first and second electron shells of an element are filled and there are five electrons in the third electron shell
question1take two indistinguishable metallic tumblers a and b. insulate one tumbler say a by wrapping chart paper
In order for Sasha (in A-5) to feel weightless at the top of the ride, a) at what linear speed must the Ferris wheel tum? b) At this speed, how much would she appear to weigh at the bottom of the Ferris wheel.
A) Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat of the metal? B) Which is more useful for storing heat, this metal or an equal weight of water? defin..
A compressed-air cylinder is known to fail if the pressue exceeds 100 atm. What is the pressure inside the cylinder during the fire
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