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A 22 kg brick is completely submerged insaltwater and displaces an amount of saltwater weighing 11.7 N. Determine the buoyant force on the brick.
Cosmonaut Andrei, your co-worker at the International Space Station, tosses a banana at you at a speed of 16 m/s. At exactly the same instant, you fling a scoopof ice cream at Andrei along exactly the same path.
The distance between deer B and C is 92 m. What is distance between deer A and C.
A potter's wheel is rotating around a vertical axis through its center at a frequency of 1.8. What is the frequency of the wheel after the clay sticks to it
Under such extreme conditions, protons and electrons are squeezed to form neutrons, giving birth to a neutron star. Neutron stars are massively heavy - a teaspoon of the substance of a neutron star would weigh
A 1.5 kg mass is held at rest on top of a frictionless and horizontal table. A light string loops over a pulley which is in the shape of a 10 cm radius solid disk which has a mass of 1.5 kg. What is the acceleration of the falling mass
A pendulum bob of length L has its motion interrupted by the peg perpendicularly beneath the support. The bob is released when the string is horizontal. Find out the minimum value for y in order for the bob to swing in a complete circle. State thi..
a small object is released from rest just below the surface of the water. it takes time t to sink the bottom at depth
If a 200 N force F1 is applied to the piston with the 4 cm diameter, Calculate the magnitude of the force F2 that can be resisted by the piston with the 10 cm diameter? Ignore the weights of the pistons.
An object is found to have a weight in air of 500N. It is then tied to a string connected to a balance and immersed in water (density of water is 1000 kg/m3). The scale now reads 450 N. at last the object is immersed in oil and is found to have a ..
At a recent rock concert, a dB meter registered 110 dB when placed 2.00 m in front of a loudspeaker on the stage. What was the power output of the speaker
A solenoid used to produce magnetic fields for research purposes is 1.9m long, with an inner radius of 27cm and 1100 turns of wire. When running, how large a current does it carry
What is the kinetic energy of a 1500 kg car traveling at a speed of 35 m/s (76 mph), Does your answer to part b depend on the car's mass
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