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The uniform meterstick above has an object with mass 800 grams hanging at the 15cm mark and an object with mass 350 grams at the 70cm mark. It balances horizontally on a pivot placed at the 35cm mark. What is the mass of the meterstick?
A 30-06 caliber hunting rifle fires a bullet of mass 0.0129 kg with a velocity of 602 m/s to the right. The rifle has a mass of 5.17 kg. What is the recoil speed of the rifle as the bullet leaves the rifle? A 0.16 kg ball of dough is thrown straight ..
A boat heads directly across a river 40 meter wide at 8.0 m/s. The current is flowing at 3.8 m/s. Determine how far downstream is the boat
Using a 689-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. You measure on the screen that the 14th dark fringe is 8.77 cm away from the center of the central maximum. How far is the screen located from t..
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. When the sphere comes to rest, what fraction of its volume will be submerged
A girl delivering newspapers covers her route by traveling 7.00 blocks west, 4.00 blocks north, and then 3.00 blocks east. What is her resultant displacement
the electric potential immediately outside another charged conducting sphere is 200 v and 10.0 cm farther from the
a 150 block is to be pulled up a plane of length 100m inclined at 30 there is no friction between the block and the
A 2.0 cm tall object is placed 5.0 cm in front of a +12 diopter lens. What is the linear magnification
The isotope shift of spectral lines refers to the shift in wave-lengths (or frequencies) due to the different masses of given ele-ments. Find the isotope shifts for each of the four visible Balmer series wavelengths for deuterium and tritium compared..
A 12 DC power supply is connected to the primary coil of a transformer. What is the rms voltage across the secondary
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
The figure shows a circuit of four resistors that are connected toa larger circuit. The graph below the circuit shows the electricpotential V(x) as a function of position x alongthe lower branch of the circuit, through resistor 4; the potentialVA ..
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