Components of the pendulums displacement
An 18 g rifle bullet traveling 210 m/s buries itself in a 4.0 kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
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A girl sits on a tire that is attached to an over-hanging tree limb by a rope 2.20 m in length. The girl's father pushes her with a tangential speed of 3.35 m/s. Besides the force opposing the girl's weight, the magnitude of the force that maintai
1. What are the key elements to assess when building strategic plans? 2. Explain how computer support could be used to en- hance the process of building strategic plans.
A race car has a mass of 711 kg. It starts from rest and travels 36.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it?
If your treat an electron as a classical object with radius 1.70*10^-17m, what angular speed is necessary to produce a spin angular momentum of magnitude of square3/4 hbar? Use h=6.63*10^-34 J*s recalling that hbar=h/2pi, and 9.11*10^-31 kg for th
To replenish creatine phosphate. To replenish creatine phosphate.
A metal bar is used to conduct heat. When the temperature at one end is 100^{circ}C and at the other is 20^{circ}C, heat is transferred at a rate of 16 J/s. If the temperature of the hotter end is reduced to 80^{circ}C, what will be the rate of h
A circular wire loop of radius 8.1 m lies in a plane perpendicular to a uniform magnetic ?eld of magnitude 0.4 T. In 0.1 s the wire is reshaped into a square but remains in the same plane. What is the magnitude of the average induced emf in the wi
What is the speed of the wire when pulled with 1.1 N? What is the strength of the magnetic field?
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