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A uniform stick d = 1 m long with a total mass of 251 g is suspended vertically from a frictionless pivot at its top end. A wad of putty of mass 20 g is moving horizontally with speed v. It strikes and sticks to the stick at a distance 0.75 m from the pivot.What is the minimum speed of the putty such that the stick, with the putty stuck to it, will rise to the horizontal position?vmin= m/s
A loudspeaker on a homecoming float - mounted on a pole -- is stuck playing at an annoying 210 Hz tone, What is the intensity of the signal at this point, What is the power of the speaker
A sphere of radius 6.21 cm and uniform surface charge density, Find the separation between the point charge and the center of the sphere
A circuit consists of a resistor and a capacitor in series with an ac source that supplies an rms voltage of 240 V. What is the average power supplied by the source
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 54 dB by an observer 10 km away. What is the average power generated by the horn
When switch S in the figure is open, the voltmeter V of the battery reads 3.10V . When the switch is closed, the voltmeter reading drops to 2.96V, Find the emf
By holding a magnifying glass 35cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp
A 3 kg object id released from rest at a height of a 5 meter curved frictionless ramp. At the foot of the ramp is a spring force constant of k= 400n/m the object slides down the ramp and onto the spring compressing it to the distance x before comi..
A parallel plate capacitor is make of two circular thin plates of radius 15 cm separated by 2.5 mm of a material with dielectric constant32. what is the charge resident on each plate
A projectile is red with an initial speed of 65:2 m/s at an angle of 34.5 degrees above the horizontal on a long at ring range. Determine The total horizontal distance covered
An astronaut travels to the nearest start system. 10 light years away, and returns at a speed of 0.5c. How much has the astronaut aged relative to those people remaining on Earth?
A mass M=171 kg is suspended from the end of a uniform boom. The boom (mass=69.0 kg, length=3.60 m) is at an angle %u03B8=69.0 deg from the vertical, Calculate the tension in the horizontal cable
An Australian emu is running due east in a straight line at a speed of 17.5 m/s and slows down to a speed of 12.2 m/s in 4.1 s. (a) What is the direction of the bird's acceleration? (b) Assuming that the acceleration remains the same, what is the ..
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