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A piece of glass has a temperature of 77.0 °C. Liquid that has a temperature of 39.0 °C is poured over the glass, totally covering it, and the temperature at equilibrium is 50.0 °C. The mass of the glass and the liquid is the same. Ignoring the container that holds the glass and liquid and assuming that the heat lost to or gained from the surroundings is negligible, decide the specific heat capacity of the liquid.
Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is suspended from the ceiling. what is the mass of each block
consider a defibrillator acting as a 32 muf capacitor and a 47 komega resistor in a series rc circuit. the circuitry in
A uniform board is leaning against a smooth vertical wall. Theboard is at an angle above the horizontal ground. Thecoefficient of static friction between the ground and the lower endof the board is 0.550. Find the smallest value for the angle, such t..
A square plate of copper with 55.0 cm sides has no net charge and is placed in a region of uniform electric field of 83.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate
A satellite operates at an altitude of 20,200 km and utilizes communication frequencies of1575.42 MHz. Find the gravitational frequency change by respect to Earth.
A 328 kg rocket moving radially outward from Earth has a speed of 7.28 km/s when its engine shuts off 173 km above Earth's surface. What maximum height (in km) above the surface is reached by the rocket
Now a peg is placed 4/5 of the way down the pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its startin..
Young David who slew Goliath experimented with slings before tackling the giant. He found that he could revolve a sling of length 0.450 m at the rate of 10.0 rev/s. What is the speed of the stone for each rate of rotation
a helicopter starting from rest accelerates straight up from the roof of a hospital. the lifting force does work in
A machine shop has 120 equally noisy machines that together producean intensity level of dB. How many machines must be turned off
In diving to a depth of 527 m, an elephant seal also moves 937 m due east of his starting point. What is the magnitude of the seal's displacement?
When the temperature of a metal cylinder is raised from 0.0°C to 113°C, its length increases by 0.26%. Find the percent change in density
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