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You are practicing throwing darts in your dorm. You stand 3.33 m from the wall on which the board hangs. The dart leaves your hand with a horizontal velocity at a point 1.84 m above the ground. The dart strikes the board at a point 1.61 m from the ground.
a) Calculate the time of flight of the dart.
b) Calculate the initial speed of the dart
c) Calculate the speed of the dart when it hits the board
The triangular loop of wire in the drawing carries a current of I= 6.91 A. A uniform magnetic field is directed parallel to the side AB of the triangle and has a magnitude of 2.77 T.
Starting from rest, two skaters "push off" against each other on smooth level ice, where friction is negligible. find the recoil velocity of the man relative to the ice
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
A 529 kg automobile slides across an icy street at a speed of 66.0 km/h and collides with the parked car which has a mass of 856 kg. The two cars lock up and slide together. What is the velocity of the two cars just after they collide.
Three charges, +2.5 ?C, -4.8 ?C, and -6.3 ?C are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively
Determine the greatest vertical displacement of the pendulum (height). The mass lost by the rocket during these 30.0 is negligible. What impulse does an engine impart to the rocket?
What is the distance between deer a and c
A 40kg child on a 2.30 m long swing is released from rest when the swing supports make an angle of 26 degrees with the vertical. The acceleration of gravity is 9.8 m/s2.
You are on a bridge which is a height 30m above the water. You first drop a ball and then 1.5 seconds later throw a second ball down so that both balls hit the water at the same time.
A 61.2-kg boy at rest on roller skates throws a 0.915-kg ball horizontally with a speed of 7.44 m/s. With what speed does the boy recoil
A point charge of +6.3? C is located 0.31 m from a second point charge of -4.8? C. What is the absolute magnitude of the force on each charge?
What is the frequency of the small axial oscillations that the electron will undergo if it is free along the z-axis near the origin.
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