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A large fake cookie sliding on a horizontal surface is attached toone end of a horizontal spring with springconstant k = 440 N/m; the other endof the spring is fixed in place. The cookie has a kinetic energy of21.0 J as it passes through the spring's equilibrium position. Asthe cookie slides, a frictional force of magnitude 11.0 N acts onit.
(a) How far will the cookie slidefrom the equilibrium position before coming momentarily torest?
(b) What will be the kinetic energy of the cookie as it slides back through the equilibrium position?
The wave function for a harmonic wave on a string is y(x,t) =(1.00mm)sin(62.8m-1x + 314 s-1t). Find the wavelength, frequency, and period of this wave
When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 5.70 m/s at 55.0° below the horizontal
at a certain instant a 25-kg object is sliding eastward at a speed of 8.0 ms propelled by an eastward force of 125 n.
Observer S detects two flashes of light. A big flash occurs at x1 = 1242 m and, 6.06 ?s later, a small flash occurs at x2 = 802 m. what is the time interval between the flashes
A circuit contains two elements, but it is not known if they are L, R or C. The current in this circuit when connected to a 137 V, What are the two elements
It was revealed that 120 people had only 1 admission, 81 had 2 admissions, 48 had 3 admissions, 18 had 4 admissions, 18 had 5 admissions, and 15 had 6 admissions or more admissions. Does the data support the mayor's claim? Show the calculations or..
When a 58-g tennis ball is served, it accelerates from rest to aspeed of 44 m/s. The impact with theracket gives the ball a constant acceleration over a distance of42 cm. What is the magnitude of the netforce acting on the ball?
A molecule of DNA (deoxyribonucleic acid) is 2.28 µm long, Determine the effective spring constant of the molecule
A uniformly charged, thin ring has radius 10.0 cm and total charge + 15.0 nC. An electron is placed on the ring's axis a distance 30.0 cm from the center of the ring and is constraned to stay on the axis of the ring. The electron is then released ..
The 2.4-m reflecting Hubble Space Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve ifthe wavelength is 500 nm?
A daredevil is shot out of a cannon at 43 degrees to the horizontal with an initial seed of 25m/s. A net is positioned at a horizontal distance of of 50m from the cannon from which it is shot. At what height above cannon should the net be placed i..
A student uses an audio oscillator of adjustable frequency tomeasure the depth of a water well. What is the depth of the well
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