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An ice hockey puck is sliding along the vertical wall as shown on the picture (top view shown). Puck is moving in the horizontal plane only. Puck enters a section of the circular curve at point 1 with the velocity V0=6.5 m/s. The coefficient of friction between the puck and the wall is ?=0.25. Puck exits the curve at point 2 that is tilted at an angle ?0=60o. Find the velocity of the puck at that point.
A person takes a trip, driving with a constant speed 90 km/h except for a 15 minute rest stop. If the person's average speed is 45 km/h, how far does the person travel
The infamous chicken is dashing toward home plate with a speed of 5.80 while he decides to hit the dirt. The chicken slides for 1.1, just reaching the plate as he stops (safe, of course).
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations ("hypergravity") on test pilots and astronauts. How fast must the astronaut's head be moving to experience this maximum acceleration
suppose the random variable x is continuous and has the following cumulative distribution functionfx 1 - e when
As a 1.00 cm diameter plunger reduces the height of the column of air inside the chamber from 7.00cm down to 0.50cm, Determine the air pressure inside the chamber after compression
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
A television is tuned to a station broadcasting at a frequency of 8.50 107 Hz. Find the optimum length of the antenna
A nerve fiber (axon) may be approximate as a long cylinder. what is the resistance of a 0.3-m long fiber
The Atwood machine in the figure consists of masses m1 = 1.20 kg and m2 = 1.10 kg and a solid pulley with a diameter of 5.9 cm, what is the speed of the heavier mass after it has fallen a distance of 1.65 m
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the frequency (in Hz) of the eardrum's vibrations
n air-filled spherical capacitor is constructed with inner and outer shell radii of 7.00 and 14.0 cm, respectively. Calculate the capacitance of the device
An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. find the density if the object and the oil
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