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What linear speed must a 4.5×10?2 hula hoop have if its total kinetic energy is to be 0.15 ? Assume the hoop rolls on the ground without slipping.
Inside the house where the temperature is 20C, we measure the length of an aluminum rod with a micrometer made of steel, find the length of the cold rod according to the cold micrometer
A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. What is the angular acceleration of the wheels
Suppose the device is used at a service station to measure the flow rate of gasoline (? = 7.00 102 kg/m3) through a hose having an outlet radius of 2.56 cm. Find the speed of the gasoline as it leaves the hose
A 10.00 m uniform beam is hinged to a vertical wall and held horizontally by a 5.00 m cable attached to the wall 4.00 m above the hinge, What is the heaviest beam that the cable can support with the given configuration
A 12 lbm bowling ball 8.59 inches in diameter is given a spin of 1.0 revolution per second while traveling down the lane at 17 ft per second. Determine the total translational plus rotational kinetic energy of the ball.
A jet plane flying at a constant speed v at an altitude h = 10 km is being tracked by radar located at O directly below the line of flight. determine the value of r at this instant and the magnitude of the velocity v of the plane
Calculate the average kinetic energy and the average potential energy for the 2nd excited state of a harmonic oscilator. use expectation values to calculate a quantum mechanical average, show integrations.
atmospheric pressure as measured by a mercury barometer is 99.0 kPa, a patient is fed by intraveneous feeding. How high is the mercury in the barometer
Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car
The 200 g head of a golf club moves at 40 m/s in a circular ARC of 1.2 m radius. How much force must the player exert on the handle of the club to prevent it from flying out of her hands at the bottom of swing? Ignore the mass of the club's shaft.
A tank having a volume of 0.11 m3 contains helium gas at 170 atm. How many balloons can the tank completely fill
A novice skier, starting from rest, slides down a frictionless 35° incline whose vertical height is 118 m. Explain how fast is she going when she reaches the bottom? Illustrate what was the initial speed of the arrow?
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