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A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the hockey puck and the metal ramp are and respectively. The puck's initial speed is 16 m/s. What vertical height does the puck reach above its starting point?
A solution has a hydronium-ion concentration of 1.0 x 10-5 mol per liter. What is the hydroxide-ion concentration of this solution
Calculate the force of gravity on a spacecraft 32000 km (5 earth radii) above the Earth's surface if its mass is 1800 kg. N (toward the earth)
Some bacteria are propelled by biological motors that spin hair-like flagella. How long does it take the motor to make one revolution
An advertisement claims that a particular automobile can "stop on a dime." What net force would actually be necessary to stop an automobile of mass 920kg traveling initially at a speed of 56.0km/h in a distance equal to the diameter of a dime, whi..
Starting from rest a wheel accelerates at a rate of 9.2 rad/s^2 for 5.61 s. Calculate the number of revolutions it makes in this time
Starting from its nest, an eagle flies at constant speed for 3.2 min due east, then 4.6 min due north. How long is the eagle in the air
What is average kinetic energy of each helium atom
A certain person can see clearly objects at distances between20cm and 250cm from his eyes, what will be his least distance of distinct vision, when he is wearing the spectales
A drill starts from rest. After 3.66s of constant angular acceleration, the drill turns at a rate of 2694 rad/a, find the angle through which the drill rotates
What is the relationship between current and magnetic force, What is the relationship between the length of the wire and the magnetic force
Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top o..
Three charged particles are placed at each of three corner of an equilateral triangle whose sides are of length 2.5 c.m. What is the net electric force acting on particle
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