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A string, 0.2 m long, vibrating in the n = 4 harmonic, excites an open pipe, 0.89 m long, into second overtone resonance. The speed of sound in air is 345 m/s. The velocity of transverse waves in the string, in SI units, is closest to:
A copper cylinder and a brass cylinder are stacked end to end, as in the drawing. Find the amount by which the length of the stack decreases
The lab experiment is repeated with the same two glass plates but with a different human hair. Calculate the diameter of the hair
One solenoid is centered inside another. The outer one has a length of 53.0cm and contains 6600 coils, Find the emf induced in the inner solenoid
If the wire is heated to 38.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire
A proton is released from rest at the positive plate of a parallel-plate capacitor, What will be the proton's final speed if the experiment is repeated with double the amount of charge in each capacitor plate
A 200.0 m long thin wire carries a line charge density ! = 358.0 nC/m. Find the potential difference between points 5.0 m and 6.0 m on a perpendicular radius to the axis of the wire, provided the perpendicular radius is not near either end of the ..
Determine the maximum speed that the car. A boy riding on the back of the truck throws a can of soda upward and catches the projectile at the similar location on the truck bed.
An aluminum bar has a length of 2.0 m and transverse dimensions of 3.5 mm and 6.9 mm, What force is required to stretch the bar 1.2 mm
A space probe is launched from Earth, headed for deep space. At a distance of 15,000 miles from the Earth's center, What is the size of the force when it is at 30,000 miles from the Earth's center
A baseball (m = 145 g) approaches a bat horizontally at a speed of 40.5 m/s (91 mi/h) and is hit straight back at a speed of 45.9 m/s, what is the average force exerted on the ball by the bat
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
A 110kg clock initially at rest on a horizontal floor requires a 607N horizontal force to set it in motion. After the clock is in motion, horizontal force of 525 N keeps it moving with a constant velocity.
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