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Question: A 5.00-kg object is initially at rest. The object is acted on by a 9.00-N force toward the east for 3.00 s. No force acts on the object for the next 4.00 s. How far has the object moved during this 7.00 s interval?
A 10.0 g lead bullet at 23 degrees C slames into a stone wall. Assuming no loss of energy to the environment, how fast must the bullet be traveling
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 301.0 Hz. The tuner hears 2.0 beats per second. What was the original frequency of the untuned string
When tightening a bolt, you push perpendicularly on a wrench with a force of 161 N at a distance of 0.120 m from the center of the bolt. How much torque are you exerting
A brass lidscrews tightly onto a glass jar at 20°C. To help open the jar,it can be placed into a bath of hot water. Find the size of the gap (difference in radius) that develops by this procedure
If you set up a standing wave of 6 segments, how many waves will occur if you triple your frequency? How many wavelengths will there be
A count rate meter is used to measure the activity of a given sample. At one instant, the meter shows 4.750 counts/min. Five minutes later, it shows 2700 counts/min.
An organ pipe is open at both ends. The frequency of the fourth harmonic is 316 Hz higher than the frequency of the third harmonic. what is the length of the organ pipe
Suppose that the sound level of a conversation is initially at an angry 70 dB and then drops to a soothing 50 dB. Assuming that the frequency of the sound is 500 Hz, determine the (c) initial and (d) final sound wave amplitudes.
Light of a particular wavelength shines on a single slit of width 1.150e-4 m, creating a diffraction pattern with the first dark fringe at an angle of 0.224° from the centerline. What is the distance between the centers of the two slits
A charged particle m=6g q=-80 c moves in a region of uniform field along a helical path (radius = 3.0 cm, pitch = 9.0 cm) as shown. Illustrate what is the angle among the velocity of the particle and the magnetic field?
The maximum speed of a 3.5-kg mass attached to a spring is 0.67m/s , and the maximum force exerted on the mass is 11N. What is the amplitude of motion for this mass
A spring system consists of a stationary spring and a 100-gram mass attached to one end that slides along a horizontal frictionless surface, How much total energy is in the spring
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