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1. Write a formula for the final angle θf an object will be at when it starts at an initial angle θi and rotates with an angular velocity ω for a certain interval of time.
2. set the angle to zero, the angular velocity to 2.0 rad/s, and angular acceleration to be 0.30 rad/s2. Predict how fast the lady bug will rotate (wf) after 5.0 s.
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the frequency (in Hz) of the eardrum's vibrations
A motorcycle has a constant speed of 20.9 m/s as it passes over the top of a hill whose radius of curvature is 125 m. Find the magnitude of the centripetal force
A race car accelerates uniformly as it leaves the pit area, going from rest to 330 km/h in a semicircular arc with a radius of 200 meter. Estimate the radial acceleration of car at this time
A Ping-Pong ball with mass 6 g is attached by a thread to the bottom of a beaker. When the beaker is filled with water so that the ball is totally submerged, Determine the diameter of the ball
A machine shop has 100 equally noisy machines that together produce an intensity level of 90db. If the intensity level must be reduced to 80db, how many machines must be turned off
What is the mass of the block on the left. At what rate is the plate's area increasing when the radius is 50 cm? (Give your answer correct to 2 decimal places.)
question1a solid cylinder of mass 8.9 kg and radius 32 cm is yoked to a spring as shown. to be precise axle of the
A 1900kg car experiences a combined force of air resistance andfriction that has the same magnitude whether the car goes up ordown a hill at 27m/s. Going up a hill, the car's engine needs toproduce 47hp more power to sustain the constant velocity ..
A uniform solid sphere of radius 0.500m and mass 15kg turns counter clockwise about a vertical axis through its center. Discover its vector angular momentum when it’s angular speed is3 rad/s.
A metal ball with a mass of 3.81·10-6 kg and a charge of +5.21 mC has a kinetic energy of 4.77·108 J. how close will it come to the plane before stopping
Assume it takes 7.00 min to fill a 30.0- gal gasoline tank. Calculate the rate at which the tank is filled in gallons per second
What average total force acted on the car. How far did the car travel during that time.
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