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A 1 kg projectile is shot straight up from the earth's surface with a velocity of 100 m/s and reaches a height of 300 m before it reverses course and starts downward. How much work did the surroundings do on the projectile during its upward travel?
a mirror on the passenger side of your car is convex and has a radius of curvature with magnitude 18.0cm. another car
The total length of a bike trip is 300 km. Suppose you take this tour and your bike has wheels with a diameter of 80 cm. How many revolutions will the wheels make
A 4.50{kg} ornament is hanging by a 1.00{m} wire when it is suddenly hit by a 3.00kg missile traveling horizontally at 12.0{m}/{s} . The missile embeds itself in the ornament during the collision.
Inductive battery chargers, which allow transfer of electrical power without the need for exposed electrical contacts, are commonly used in appliances that need to be safely immersed in water, Find an expression for the emf induced in the secondary..
The lenses of a particular set of binoculars have a coating with index of refraction n = 1.38, and the glass itself has n = 1.52. what is the minimum thickness of the coating
A 2.75-gram air inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d = 5.20 cm to make the balloon float. In order f..
Assuming a planet of mass m moves around the Sun (with mass Ms) in a circular orbit of radius R, find its rotation period. explain how the period changes if the mass of the planet is doubled
sound of a single frequency is sent into the system of pipes, one straight, the other consisting of two semi-circular paths of radii 20cm and 30cm. what is the lowest frequency that produces an intensity maximum on the output side
Total internal reflection will occur when the refraction angle is 90' degrees or more. find the angle of incidence at which total interanl refraction in water will occur
An football is punted at 25.0 m/s at an angle of 30.0 degree above the horizon. What is the velocity vector of the ball when it is 5.00 m above the level ground
The creation and study of new and very massive elementary particles is an important part of contemporary physics. To create a particle of mass M requires an energy Mc2. With enough energy, an exotic particle can be created by allowing a fast-movin..
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, giving it a charge of -15.0 microC. find the electric field: (a) just inside the paint layer, b) just outside the paint layer and c) 5..
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