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You launch a rock from the origin (0,0) with an initial speed of 50 m/s at an angle of ?o=30° from horizontal. Ignore air resistance, and assume the ground is perfectly flat.
How far horizontally will the rock travel before it lands?
A small block with mass 0.200 kg is attached to a string passing through a hole in a frictionless, horizontal surface. What is the radius of the circle when the string breaks
A 110 granite cube slides down a 45 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 235 steel cube at rest. How high above the table should the granite cube be released to give the steel cube a..
Stopping a 747 A 747 jetliner lands and begins to slow to a stop as it moves along the runway. find How far has it traveled in this time
A certain car battery with a 12.0 V emf has an initial charge of 115 A·h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how various hours can it deliver energy at the rate of 110 W.
The water pressure in the pipes in the basement of a tall house is 5.1 105 Pa. Calculate the water pressure on the second floor
A certain diatomic molecule vibrates with a characteristic frequency v= 2.45x10^9s^-1 (these are microwaves). Calculate the relative population of the ground state
An object has a kinetic energy of 317 J and the momentum of magnitude 24.0 kg · m/s.
A generator consists of one thousand loops of wire, each enclosing an area 90.cm^2, rotating 50. times per second in a uniform field of 0.15T. Determine the value of effectvie output voltage
A homemade capacitor is assembled by placing two 10in pie pans 6cm apart, Estimate the electric field halfway between the plates
A charged particle A exerts a force of 2.69 ?N to the right on charged particle B, when the particles are 14.0 mm apart. Particle B moves straight away from A to make the distance between them 17.0 mm. What vector force does it then exert on A?
A stationary destroyer is equipped with sonar that sends out pulses of sound at 35.000 MHz. If the speed of sound in seawater is 1.57 km/s, find the depth of the submarine
accelerates it to the right. It is observed that it takes the box 3.7 seconds to travel 61 meters. Illustrate what is the magnitude of the force?
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