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A simple harmonic oscillator of amplitude 6.4mm and frequency 80 Hz is attached to the left end of a spring of linear mass density 8g/m held at tension 110N. How much energy is delivered by the oscillator to the string in one minute?
question a ball is thrown upward from a platform 4.0 m high with a speed of 23 ms at an angle of 37o from the
A ball is thrown straight up with an initial speed of 30m/s. How high does it go, and how long is it in the air(neglecting air resistance)? What are the formulas to calculate the answers to these questions?
Consider a book of mass 10 kg on a frictionless incline that makes an angle of 40? with the horizontal. Find the acceleration of the book down the incline
Charges +Q and +3Q are separated by a distance 2m. Find the location and value of the third charge in terms of Q
two equal masses m are connected to three identical springs spring constant k on a frictionless horizontal surface. one
A motorist drives south at 28.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.20 min, find the average velocity and degree south of west
a 5 kg mass is attached to the end of a 1.0-m string. The system is whirled in a horizontal circular path. What is the maximum speed of the mass if the string is not to break
An inexperienced catcher catches a 130 km/h fastball of mass 140 g within 1 ms, What are the average forces imparted to the two gloved hands during the catches
If the microphone in problem 3 has an area of 0.750 cm2. What is the power intercepted by the microphone
A home-run baseball is hit with an initial speed vo=37.0 m/s at an initial angle qo=53.1o. Find the time when the ball reaches the highest point of its flight, and find its height at this point
A 2.0-m-diameter merry-go-round with a mass of 300 kg is spinning at 8 rad/s. What is the merry-go-round's angular momentum after Bill jumps on
Multiple-Concept Example 10 provides one model for solving this type of problem. Two wheels have the same mass and radius of 5.0 kg, Find the net external torque that acts on each wheel
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