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The drawing shows an exaggerated view of a rifle that has been "sighted in" for a 91.4-meter target. If the muzzle speed of the bullet is v0 = 427 m/s, what are the two possible angles θ1 and θ2 between the rifle barrel and the horizontal such that the bullet will hit the target? One of these angles is so large that it is never used in target shooting. (Hint: The following trigonometric identity may be useful: 2sin(θ)cos(θ) = sin(2θ).)
consider an xy plane with charges located at the following points q1 is located at x0 y0 and has a magnitude of 4 micro
A tow truck pulls a car 5.00 kilogram along a horizontal roadway using a cable having tension of 859 Newton. Determine how much work does the cable do on the car if it pulls horizontally
Two equal mass stars maintain a constant distance apart of 8.0x 1010 m and rotate about a poing midway betweenthem at a rate of one revolution every 12.6 yr , What must be the mass of each stars
An automobile of mass 3000 kg is driven into a brick wall in a safety test. The bumper behaves like a Hooke's-law spring.
A circuit contains a resistor of 10 Ω, capacitor of 10 µF, inductor of 3 mH, and an AC source with amplitude of 170V at 60 Hz. The amplitude of the current is 0.643 A. Calculate the power dissipated in the capacitor and enter your result in W.
Find at what distance from the Earth will a spacecraft traveling directly from the Earth to the Moon experience zero net force because the Moon and Earth pull with equal and opposite forces
A cylinder with a piston contains 0.300 moles of oxygen at 2.20 × 105 pa and 340 K. The oxygen may be treated as an ideal gas. Find the heat added during the final cooling
An LC circuit has a 10.0 mH inductor. The current has its maximum value of 0.600 A at t = 0 s.A short time later the capacitor reaches its maximum potential difference of 67.0 V. What is the value of the capacitance?
A rectangular Sitka spruce beam, dressed size 8 by 12 in with a 12-ft simple span, carries a uniform load of 1600 lb/ft.
A skier of mass 68.4 kg glides down a hill of slope 26.5 degree at constant speed. find the coefficient of friction between her skis and the slope
Illustrate what is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer.
A 12000N car travels at a speed of40 km/h northward along a street, and an 8500 N sports car travels at a speed of 62 km/h eastward along an intersecting street. Find percentage of the initial kinetic energy will be lost in the collision
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