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A 1.53 kg ball is attached to a ceiling by a 3.06 m longstring. The height of the room is 5.12 m. The acceleration of gravity is 9.8 m/s2.What is the gravitational potential energy associated with theball relative to the ceiling? Answer in J.What is the gravitational potential energy relative to the floor? Answer in J.What is its gravitational potential energy relative to a pointat the same elevation as the ball? Answer in J.
What is tension in the cord
Two hockey players strike a puck of mass 0.169 kg with their sticks simultaneously, Find the instantaneous acceleration of the puck
A 440.0-N force accelerates a go-cart and its driver from 10.1 m/s to 18.1 m/s in 5.20 s. What is the mass of the go-cart plus driver
The lowest note on a grand piano has a frequency of 27.5 . The entire string is 2.00 long and has a mass of 430 . The vibrating section of the string is 1.88 long. Part A What tension is needed to tune this string properly?
Consider a plot of the displacement on the y-axis vs applied forceon the x-axis for an ideal elastic spring. The scope of the curve would be:
A runner rounds a circular curve of radius 24.0 m at a constant speed of 5.25 m/s. What is the magnitude of the runner's centripetal acceleration
Big Ben, the Parliament Building tower clock in London, has hour and minute hands with lengths of 2.70 m and 4.50 m and masses of 60.0 kg and 100 kg, respectively. Calculate the total angular momentum of these hands
A 20-kg rotating disk of radius 0.30m has an angular momentum of 0.40kg?m2/s. What is the angular speed of the disk
A spaceship travels with a speed of 0.3 c as it passes by the Earth on its way to a distant star, Determine its length as measured by a person on Earth
A 47% efficient device uses chemical energy to generate 550J of electric energy. How much chemical energy is used
A long string is moved up and down with simple harmonic motion with a frequency of 46 Hz. The string is 579 m long and has a total mass of 46.3 kg. Determine the velocity of the wave on the string
An induced emf occurs in a conducting loop of wire 1.12m long as its shape is changed from square to circular. What is the average magnitude of the induced emf if the change in shape occurs in 4.25 sec and the local 0.105T magnetic field is perpendic..
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