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Block A with mass 3.72 kg travels with speed vi=3.74 m/s on a smooth horizontal surface and collides with a stationary block B whose mass is 2.29 kg. The blocks stick together when they collide. How much kinetic energy was lost in the collision?
A vertical scale on a spring balance reads from 0 to 225. The scale has the length of 11.5 from the 0 to 225 reading. A fish hanging from the bottom of the spring oscillates perpendicularly at a frequency of 3. Ignore the mass of the spring, what ..
As well, the barbell rotates clockwise about its own center, with an angular speed 80 rad/s.
A cubic block of lead alloy 0.1m on a side is placed in a bucket of mercury. What is the magnitude of the buoyant force
You are studying guitar strings and are able to measure a few of (but not all) the standing wave frequencies for a particular string. what is the highest possible value for the fundamental frequency
An isolated conductor of arbitrary shape has a net charge of +1.30×10-5 C. Inside the conductor is a cavity within which is a point charge q = +3.25×10-6 C. What is the charge on the cavity wall
A skier starts from rest at the top of a frictionless incline of height 20.0 m, Find the skier's speed at the bottom
You put a diode in a microelectronic circuit to protect the system in case an untrained person installs the battery backward. what would be the magnitude of the current in the diode
What is the apparent weight of a cube of iron of volume 0.2 m3 when it is submerged in water? The density of iron is 7800 kg/m3
q1. a force vector points at an angle of 50.6deg above the x axis. it has a y component of 280 newtons. calculate the
A simple generator has a 620-loop square coil 21cm on a side. How fast must it turn in the 0.690 T field to produce a 140 V peak output.
The nucleus of an atom of radium (mass 3.77 X 10-25 kg) suddenly ejects an alpha particle (mass 6.68 X 10-27 kg) of an energy of 7.26 X 10-16 J. What is the velocity of recoil of the nucleus
The He-Ne laser shines through a slit in the diffraction plate that is 50 cm from the screen. What fringe spacing would you expect for slits E and F if the stated slit spacing is correct? What difference must there be between the patters produced ..
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