Magnitude-direction of the net force on the crate
A crate is pulled to the right with a force of 82 N, to the left with a force of 115 N, upward with a force of 565 N and downward with a force of 236 N. What is the magnitude and the direction of the net force on the crate?
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A database is to be designed for a University to monitor students' progress throughout their course of study. The students are reading for a degree (such as BTech, BTech(Hons) MCA, etc) within the framework of the modular system
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 10.7 m long. His speed at the bottom of the swing, just as he clears the surface of the river, is 8.7 m/s. Tarzan does not know that the vine has a breaking st
What will happen to the amplitude of the current in the LRC circuit when the frequency of the applied voltage is at or near the resonant frequency of the circuit.? Explain
A string of mass density 0.0040 kg/m is under tension of 360N and is fixed at both ends. One of its resonance frequencies is 375 Hz. the next higher resonance frequency is 450 Hz. What is the fundamental resonance frequency?
A plane mirror is placed on the level bottom of a swimming pool that holds water (n = 1.33) to a depth of 2.5 m. A small toy is suspended 1.9 m above the mirror. An observer above the water looks vertically downward at the toy and its image in the
What are the critiques of the uncertainty reduction theory? What are the strengths and weaknesses? How might researchers expand and further develop the theory?
A 0.380 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8 kg of water at 21.0°C. What is the final equilibrium temperature (in °C)? Neglect any heat transfer to or from the surroundings. Do not enter
The mass of a water molecule is 2.99 10-26 kg. If the mass of a person is 63 kg, estimate the number of water molecules in that person.
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