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If a 43 m steel bridge experiences extreme temp between -11c and 44C what is the range in size of this bridge if it measures exactly 43m at 21C. Steel has a coefficient of of linear expansion of 1.1x10^-5 C. Answer in units of M
A ball (m= .450 kg) is placed at the top of a ramp 1.00 m high. what is the ball's velocity at the bottom of the ramp
A 50.g dart rests up against a spring that has been compressed 0.050 meters. If the dart were fired vertically, what height would it reach
What differences exist between Bohr model and the modern theory of an atom and what major flaw is built-in to the Bohr model of the atom
Two positive point charges, each 12\mu C , lie along the x-axis at x = -0.10m and x = +0.10m. Find the electric field at the point (0, 0.25m ) on the y-axis
A disk of radius "r" and uniform surface charge density finalized_jax">\(\sigma\) spins with angular velocity %u03C9 about the y-axis
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 52.5 m/s and returns the shot with the ball traveling horizontally at 38.5 m/s in the opposite direction
two slits separated by 0.75 mm are illuminated with light of an unknown wavelength and an interference pattern is
The mast of a sailboat is supported at the bow and stern by stainless steel wires, the forestay and backstay, Find the tension in the backstay and the force that the mast exerts on the deck
reviews the concepts that are involved in this problem. A child is twirling a 0.0211-kg ball on a string in a horizontal circle whose radius is 0.0866 m. Determine the centripetal force acting on the ball
During a tennis match, a player serves the ball at a speeds, with the center of the ball leaving the racquet atangle θ below the horizontal at a heighty0. The net is a distance d away andhas a height h. When the ball is directly over the net,what ..
An object of mass 2.93 kg, moving with an initial velocity of (4.90i) m/s, Find the final velocity of the composite object
the escape speed starting from the surface of the earth is 11.2 km/s(neglecting any effects of the earth's orbital motion, what would be the escape speed from that planet
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