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An object with a mass of .40 kg moving with a speed of 25 m/s is brought to rest after sliding on a rough surface. The coefficient of kinetic friction is .35. What is the stopping distance of the object?
Find out the magnitude of the wind velocity. Find the direction of the wind velocity.If the wind velocity is 39 due south, in what direction should the pilot set her course to travel due west? Use the same airspeed of 213 .
A uniform pole is propped between the floor and the ceiling of a room. The height of the room is 8.00 ft, and the coefficient of static friction between the pole and the ceiling is 0.569. What is the length of the longest pole
You will begin with a relatively standard calculation. Consider a concave spherical mirror with a radius of curvature equal to 60.0 centimeters. use the spherical mirror equation to find the image distance
q1. a piece of wood is 6.00 m long 0.260 m wide and 0.060 m thick. its density is 600kgm cubed. what volume of iron p
Two different simple harmonic oscillators have the same natural frequency (f=2.60 Hz) when they are on the surface of the Earth. Calculate the new frequency of the vertical spring and mass
a 70kg person stands on a diving board 4m long. the boards mass is 25kg and is bolted to two supports. calculate the force on the board at each of the supports
A small 4.50 brick is released from rest 3.00 above a horizontal seesaw on a fulcrum at its center, Find the angular momentum of this brick about a horizontal axis through the fulcrum
A water dispenser for pets has an inverted plastic bottle. When acertain amount of water is drunk from the bowl, more water flowsautomatically from the bottle into the bowl. The bowl neveroverflows. Explain the operation of the dispenser. Does the he..
in a particular region of the earth's atmosphere, the electric field above the earth's surface has been measured to be 153 N/C downward at an altitude of 241m, Calculate the volume charge density of the atmosphere
A stream turbine at an electric power plant delivers 4 500 kW of power to an electrical generator which converts 95% of this mechanical energy into electrical energy
Find the peak magnetic field in an electromagnetic wave whose peak electric field is 200N/C
A hummingbird is flying in such a way that it is initially moving vertically with a speed of 4.4 m/s and accelerating horizontally at 11.9 m/s2. Assume the bird's acceleration remains constant for the time interval of interest
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