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A coin is located 20.0 cm to the leftof a converging lens (f = 16.0 cm). A second, identicallens is placed to the right of the first lens, such that the imageformed by the combination has the same size and orientation as theoriginal coin. Find the separation between the lenses.
Two boats are heading away from shore. Boat 1 heads due north at a speed of 2.94 m/s relative to the shore. find the speed of the passenger relative to the shore
A 66.0 kg person throws a 0.0410kg snowball forward with a ground speed of 25.0 m/s. A second person, with a mass of 57kg, catches the snowball.
As a baseball is being caught, its speed goes from 43 to 0 m/s in about 0.003 s. What is the baseball's acceleration in m/s2
Two horses pull a large crate of negligible mass at constant speed across a barn floor by means of two light steel cables. What is the work done by each horse if the box is moved a distance of 29 m
A proton is released from rest in a uniform electric field of magnitude 421 N/C. (a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in..
A large parallel plate capacitor has plate separation of 0.98 cm and plate area of 230 cm2. How much work is done on the capacitor as the plate separation is increased to 1.96 cm
An electron has a speed of 0.750c. Find the speed of a proton that has the same kinetic energy as the electron
A bicyclist makes a trip that consists of three parts, each in thesame direction (due north) along a straight road. During the firstpart, she rides for 22 minutes at an average speed of 6.8 m/s.
A 6 m board of mass 5 kg is hinged at one end, with a 60 kg block nesting on the board 202 cm from the hinge. Find the force exerted by the hinge at this angle
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.21 10-3 g. Find the mass density inside the box
Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from 8305decays per minute, What is the half-life T1/2 of this isotope
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
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