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Object O1 is 14.7 cm to the left of a converging lens with a 12.0-cm focal length. A second lens is positioned 10.0 cm to the right of the first lens and is observed to form a virtual image at the position of the original object O1.
(a) What is the focal length of the second lens?
The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (-5.30 107) t 2 + (3.15 105) t, where v is in meters per second and t is in seconds.
A medicine ball is thrown at Bob (who is standing still). The medicine ball weighs 6kg and Bob weighs 82.50 kg. What was the velocity of Bob and the ball after the catch
A tube leads from a 0.150 kg calorimeter to a flask in which water is boiling under atmospheric pressure. Compute the heat of vaporization of water
An electron in a circular path perpendicular to a constant magnetic field with a magnitude of 1.00mT. The angular momentum of the electron about the center of the circle is 3.000*10^-25. Evaluate the radius of the circular path
the amusement park ride is going to rotate passengers around a vertical axis such that the supporting cables make a theta= 30 degree angle which vertical. Find the needed rate of rotation of the ride
Two locomotives approach each other on parallel tracks. Each has a speed of v = 95 km/h with respect to the ground. how long will it be before they reach each other
A Piece of ice of mass mi at 0 C is placed in water of mass mw at 20 C. The system is in a container of negligible heat capacity, what is the equilibrium temperature of the system
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes in 69.0 degrees, Find the angle the resultant force makes with the rope of dog A
Consider the conical pendulum with an 80.0 kg bob on a 10.0 m wire making an angle of 5.00 with the vertical as shown. Determine (a) horizontal and vertical components of the force exerted by the wire on the pendulum and (b) radial acceleration of th..
Robert has just bought a new model rocket, and is trying to measure its flight characteristics. how much work is done by the drag force on the rocket during its ascent
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel of radius 0.4 m and observes that drops of water fly off tangentially. Find the angular deceleration of the wheel
High-speed stroboscopic photographs show that the head of a 170-g golf club is traveling at 47 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
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