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Alice throws a ball up in the air 1 m about the ground with initial speed of 15 m/s, 5 m from a Vertical Wall. The initial velocity makes angle of 30 degrees with the vertical direction. After the ball hits the wall the horizontal component of the velocity is reversed but the vertical component does not change. how far from Alice will the ball land on the ground if Alice is 5 m from the wall?
A 2750 pF capacitor is connected to a 62.5 μH coil of resistance 7.70 ohm. Evaluate what is the resonant frequency
A hot-air balloon is rising upward with a constant speed of 2.00 m/s. How much time elapses before the compass hits the ground
A hanging wire made of an alloy of aluminum with diameter 0.12 cm is initially 2.8 m long. When a 40 kg mass is hung from it, the wire stretches an amount 1.57 cm. A mole of aluminum has a mass of 27 grams, and its density is 2.7 g/cm3.
a person with a remote mountain cabin plans to install her own hydroelectric plant. a nearby stream is 3.00 m wide and
A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.0 cm below the aim point. What is the bullet's flight time and speed because it left the barrel?
A postal employee drives a delivery truck along the route shown in the figure below. (x = 2.3, y = 3.6, and theta = 45o.) Determine the magnitude and direction of the resultant displacement by drawing a scale diagram. (Submit a file with a maximum ..
A hollow sphere of mass 15 kg and radius 8cm sits atop an inclined plane that is 10m in length and inclined at 30 degrees. What fraction of the sphere's total energy is rotational
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. What is the mass of this canister
A 1.4 kilogram small particle similar to object moves in a plane with velocity components vx =25 m/s and vy =80 m/s, Find its angular momentum relative to the point (-2.0, -2.0) m at this same moment
The position of an object as a function of time is r? = (3.2t+ 1.5 t2)i^+(1.7t? 2.0 t2) j^m, where t is the time in seconds. What is the direction of the acceleration? Discover the object’s magnitude of the acceleration.
If the magnetic field in the center of the winding is zero then how much is that the magnitude and direction of the winding current flows
Runner A is initially 4.0mi west of a flagpole and is running with a constant velocity of 2.0 mi/h due east. How far are the runners from the pole when they meet
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