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A particle is trapped in a potential well described by U(x) = 1.5 x2-b, where U is in joules, x is in meters, and b = 3.5 Joule. Determine what is the force on the particle when it is at x=2.3 meter.
A rapid transit train accelerates at 1.5 m/s^2, cruises at 25 m/s, and decelerates at 3.5 m/s^2 when stopping. obtain how long does the train take to travel from one to the other
a bicyclist is coasting straight down a hill at a constant speed. the mass of the rider and bicycle is 60.0 kg and the
When cruising at 75 MPH on a highway, a car's engine develops 45 hp. The car's engine has a thermodynamic efficiency of 25% and 1 gallon of gasoline has an energy content of 1.3 × 108 J. How many gallons of gasoline are consumed each second
in a holography setup such as that of fig. 15-5 the distance and the distance . what must be the frequency width of
question1the pattern if intensity i versus position x shown below is measured on a wall 20nbspmeters from a set of n
A hockey puck struck by a hockey stick is given an initial speed of 10 m/s. how far will the puck slide before stopping
A car of mass 150 kg is moving right with a velocity of 6 m/s and another one of mass 200 kg is moving left with a velocity of 4 m/s. find initial momentum of the system
A 15 kg child sits on the edge of at 2 m radius, 200 kg merry go round. A father as been getting a little carried away, What is the final angular velocity of the merry go round
Two barometers are made with water and mercury. If the mercury column is 45 in. tall, how tall is the water column
The graph of two cars that collide shows that they intersect at a point 5.5m on a distance/time graph. The first car has a velocity of 0.39m/s. How do the two sets of values compare
A 1.23 kg mass stretches a vertical spring .215m . If the springis stretched an additional /130m and released, how long does ittake to reach the new equalibrium position?
An iron bar of mass, 0.57 kg, slides down a frictionless incline 0.67 m high. What is the speed of the combined masses after collision
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