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A shotput thrower releases the shot with a release speedof 15m/s and a release angle of 42° above thehorizontal. The initial height that the thrower releases the shot is 2 m.In all the problems, neglect the effect of air resistance. What is the vertical velocity just before the shot lands on the ground?
A straight, vertical wire carries a current of 1.28 amp downward in a region between the poles of a large superconducting electromagnet, Determine the magnitude of the magnetic force on a section of the wire with a length of 1.00 centimeter that is..
The magnetic flux through a 50-cm-long solenoid that has 500 turns of radius 3.0 cm is 3.0 × 10-2 Wb. Calculate the current through the solenoid
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action, How long will the mortar shell remain in the air
A military helicopter on a training mission is flying horizontallyat a speed of 60.0 {\rm m/s} and accidentallydrops a bomb (fortunately not armed) at an elevation of300 {\rm m}. You can ignore air resistance.
A 1.24 kilogram block is held against a spring of force constant 0.8 x 10^4 N/m, compressing it a distance of 0.16 meter. Evaluate how fast is the block moving after it is released
Eight identical, non-interacting particles are placed in a cubical box of sides L = 0.2 nm. Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states if (a) particles are electrons and (b) particles..
A block of mass 2.89 kg is pushed 2.20 m along a frictionless horizontal table by a constant 13.0 N force directed 23.0° below the horizontal. calculate the normal force exerted by the table
A swimming pool id 20.00 m long, 7.00 m wide, and 2.00 m deep. What is its volume in cubic feet to 3 significant figures
Two small containers, each with a volume of 100cm3 , contain helium gas at 0oC and 1.00atmpressure. What common pressure will exist in the two containers
the center of a 1.50km diameter spherical pocket of oil is 1.50km beneath the earths surface. estimate by what
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. Determine the intensity level of the infrasound 10 km from the source
A 1000 kg airplane touches down on an icy runway, heading northward at 110 km/h. Find the speed and direction of the combined wreckage
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