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A champion archer hits a bullseye in a target mounted on a wall a distance L away and situated at a height h above his bow. Deduce the equation between the speed (at which the arrow left his
bow), the arrow's initial angle θ with the horizontal, the height, and the distance of the target
(whose solution the archer evidently knew. Neglect air resistance).
A 50-gram ice cube at 0 degrees celsius is heated until 40 grams has become water at 100 degrees celsius and 5.0 grams has become steam at 100 degrees celsius
A factory worker pushes a 28.4 kg crate a distance of 4.9 m along a level floor at constant velocity by pushing downward at an angle of 32degrees below the horizontal. How much work is done on the crate by friction during this displacement
Two masses m1 and m2 sit on a horizontal, frictionless table and are connected by a light string, Find the tension in each of the two strings
A 60-g ice cube at 0°C is placed in 727 g of water at 28°C. What is the final temperature of the mixture
The Magadeburg water bridge is a channelbridge over the River Elbe in Germany. It dimensions are length918m, Width 43.0m, Depth 4.25m, What is the pressure on the bridge floor
A 8.7kg block slides with an initial velocity of 1.66m/sec up a ramp inclined at 27.4 degrees with the horizontal. The coefficient of friction is 0.3. Use the energy consideration to discover the distance of the block on the ramp before the block com..
A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. What is the speed of the wreckage just after the collision
An electric toaster requires 1100 W at 110. V. What is the resistance, in Ohms, of the heating coil
Two spherical objects with a mass of 5.26 kg each are placed at a distance of 3.95 m apart. How many electrons need to leave each object
a capacitor is charged to a potential of 12.0 v and is then connected to a voltmeter having an internal resistance of
two submarines are on a secret mission and need to arrive at a location in the middle of the atlantic ocean at the same
A particle leaves the origin with an initial velocity v = (1.00 ) m/s and a constant acceleration a = (-1.00 - 0.700 ) m/s^2. What is the position vector of the particle at this time
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