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A diverging lens (f = -13 cm) is located 23.0 cm to the left of a converging lens (f = 33.8 cm). Determine the distance of the final image relative to the converging lens.
Gravitational potential energy of a mass m a height h above but close to the surface of the earth is said to be given by the expression ΔPE=mgh. Show that for heights much smaller than the ra
An artillery shell is fired with a minimal velocity of 390 m/s at 52o above the horizontal. To clear an avalanche, it explodes on a mountain side 43 s after firing. What is the y-coordinate?
A dockworker applies a constant horizontal force of 80.0({rm N}) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance
How long (in years) will it take for 99.9778% of the 38Sr90 released in a nuclear reactor accident to disappear?
A hare and a tortoise compete in a race over a straight course 2.25 km long. How far is the tortoise from the finish line when the hare resumes the race?
A monochromatic light is incident on the surface of a metal with work function W = 2.2 eV. If a stopping potential V = - 2 V is required to make the photocurrent zero, what is the wavelength of light
When the balloon is 3.09 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
Car racers lower their cars closer to the ground as a matter of style. James wants to lower his car by replacing all four of his original coil springs with new ones offered as an option by the car m
How many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.61 105 N/C at a point 7.82 cm from the center of the sphere?
A person who walks for exercise produces the position-time graph shown. Calculate the average velocity, including sign, for (a) segment A, (b) segment B, (c) segment C, and (d) segment D
A football is thrown horizontally with an initial velocity of (16.4 m/s). Find the velocity vector of the ball 1.89 s after it is thrown.
The average density of the material in intergalactic space is approximately 2.5 × 10^-27 kg/m^3. What is the volume of a lead sample, = 11 300 kg/m^3, that has the same mass as 8.0 × 10
The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 ×
Exactly 3.0s after a projecttile is fired into the air from a flat grround. Dertermine The horizontal angle of projectile.
A damped LC circuit loses 4.0 percent of its electromagnetic energy per cycle to thermal energy. If L = 50 mH and C = 1.00 µF, what is the value of R?
How are the trade winds and westerlies linked to the semi-permanent subtropical anticyclones?
A 17750 kg airplane lands with a speed of 84 m/s on a stationary aircraft carrier deck that is 115 m long. Find the work done by nonconservative forces in stopping the plane.
Write equations for the position along the slope and for the velocity as functions of time, taking x = 0 at the bottom of the hill, where vi = 30.0 m/s.
It moves with constant acceleration of car 1 = 1.5 . At t= 3.0 , a second car is launched with constant acceleration of car 2 = 7.4 . When will the second car catch up with the first?
Air is flowing through a rocket nozzle. Inside the rocket theair has a density of 5.25kg/m^3 and a speed of 1.2 m/s. Theinterior diameter of the rocket is 15.0 cm. At the nozzle exit, thediameter i
A baseball player slides into home plate. During the slide, the ground exerts a frictional force on the player that decreases her speed. If this frictional force is the action force, what is the re
The direction of 26.0 north of west from city B to city C. (a) In straight-line distance, how far is city C from city A? (b) Relative to city A, in what direction is city C?
A crate of 33.7- tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just begins to move when your force exceeds 336 . After that yo
Two identical cars of mass 2010 kg each drive toward one another, both traveling at 24.0 m/s. They collide head-on and smash together; what is the final speed of the wreckage?