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Assume you doubled the mass of a clock‘s pendulum (including the rod and the weight at the end) while keeping its dimensions the same. Would the clock run fast or slow?
At a carnival, you can try to ring a bell by striking a target with a 10.3-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
A high-speed flywheel in a motor is spinning at 450rpm when a power failure suddenly occurs. The flywheel has mass 40.0kg and diameter 80.0cm. At what rate is the flywheel spinning when the power comes back on
A horizontal segment of pipe tapers from a cross sectional area of50 cm2 to 0.5 cm2. The pressure at the largerend of the pipe is 1.22 x105 Pa and the speed is 0.046 m/s. What is the pressure at the narrow end ofthe segment?
A converging lens with focal length 40 cm is placed 80 cm in front of a convex mirror with focal length -40 cm. An object is placed 60 cm in front of the lens. Where is the final image?
if you flip a coin on an airplane in severe turbulence will it behave differently than doing the same thing on a roller
a 75 kg man jumps from an airplane. when his parachute deploys it exerts a 500 n force on the man at an angle of 30
Two infinite lines of charge with equal linear chargedensities l(C/m) are placed along the x and y axis. Derive an expression for the magnitude of the electric field at an arbitrarypoint (x,y).
A window washer is standing on a scaffold supported by avertical rope at each end. What is the tension in each rope when the 710 N worker stands 2.00 m from one end
Two parallel plates, each of area 5.00 cm2, are separated by 2.00 mm with purified nonconducting water between them. calculate the charge stored on each plate
a spelunker is surveying a cave. she follows a passage that takes her a distance 173 straight west then a distance 200
A 376 g oscillator has a speed of 116 cm/s when its displacement is 1.60 cm and 63.0 cm/s when its displacement is 6.70 cm
The smallest object we can resolve with our eye is limited by the size of the light receptor cells in the retina. In order for us to distinguish any detail in an object, its image cannot be any smaller than a single retinal cell. Although the size..
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