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A projectile is fired with an initial muzzle speed 440 m/s at an angle 45 from a position 6 meters above the ground level.
How far from where it is fired does the projectile hit the ground?
At what speed does the projectile hit the ground?
The elementary particle called a muon is unstable and decays after 2.20 ?s, as observed in its rest frame, What lifetime do you observe for the muon
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.50 m and a mass of 575 kg. Before a trip, Find the kinetic energy stored in the flywheel
A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C.
A certain electric extension cord has a resistance of 4.96 ?. Suppose it is replaced by an extension cord made of the same material. What is the resistance of the new cord
If the induced voltage is 0.5 V, as B field is decreasing at a rate of 0.5 T/s in a loop. Calculate the area of the loop
The 4{rm kg} block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended and the tension in the upper string is 83N.
Your plane reaches its takeoff runway and then holds for 5.0 min because of air-traffic congestion. What is its takeoff speed
A rigid steel frame above the street intersection supports standard traffic lights, each of that is hinged to hang immediately below frame. A gust of wind sets light swinging in a vertical plane. Find out order of magnitude of its period. Situatio..
A 50 kg projectile is fired over level land at an angle of 30 degrees above the horizontal with a muzzle velocity of 210 m/s. At the highest point in its trajectory it explodes into two fragments, one of twice as much mass as the other. The less m..
Find the potential 1.18 cm from a proton. The Coulomb constant is 8.9876 × 10^9 N m^2/C^2 and the elemental charge is 1.602 × 10^?19 C
multiple-Concept Example 11 deals with a situation that is similar, but not identical, to that here. When 4710 J of heat are added to a 0.261-m-long silver bar, What is the mass of the bar
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 208 C. What is the average kinetic energy of each type of molecule
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