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a chartered airplane flies 100 km east, then 350 km north west, and then 150 km at 30 degrees west of south. after an additional displacement, the plane is back where it started. FInd the magnitude and the direction of the last leg of the journey.
A bungee cord is stretched between two poles with a force of 447 N, What is the velocity of a wave on this bungee cord
n undamped 1.47-kg horizontal spring oscillator has a spring constant of 25.1 N/m, What is the oscillator\'s total mechanical energy as it passes through a position that is 0.651 of the amplitude
A 160 g ball on a 70.70 cm long string is swung in a vertical circle about a point 184 cm above the floor. The string all of a sudden breaks when it is parallel to the ground and the ball is moving upward. The ball reaches a height 543 cm above th..
A wheel (radius = 0.20 m) is mounted on a frictionless, horizontal axle. A light rope wrapped around the wheel supports a 0.50-kilogram object, as shown below. When released from rest, the object falls with a downward acceleration of 5.0 m/s2. What i..
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, What length will you choose for your wire
An ice cube of mass ma and specific heat Ci is initially at temperature T1, where T1 is less than 273K. If L is the latent heat of fusion of water, and the specific heat of water is Cw, how much energy is needed to convert the ice cube to water at ..
6.63 mol of argon gas is admitted to an evacuated 158.85 cm3 container at 48.95oC. compute the final pressure
Order of magnitude estimation: Using physics intuition, estimate the muzzle velocity of a projectile launcher
Two identical metal spheres and are connected by a plastic rod. Both are at first neutral. 6.0×10^12 electrons are added to sphere , then the connecting rod is removed.
A stone is thrown vertically downward from a cliff 186.0-m tall. During the last half second of its flight, Find the initial speed of the stone
A car is traveling at 43.2km/hr on a flat, concrete highway. If the brakes are applied such that skidding occurs, the kinetic coefficient of friction between the road and tires is 0.808. If anti-lock brakes are properly applied after that no skidd..
An oil droplet(missing 3 electrons) is hovering inside some parallel plates that are separated by 3.0mm. what is the mass of the oil droplet
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