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A 10-kg block of ice has a temperature of -12°C. The pressure is one atmosphere. Theblock absorbs 4.12 multiplied by 106J of heat. What is the final temperature of the liquid water?
A sled weighs 100 N. It is held in place on a frictionless 20 degree slope by a rope attached to a stake at the top of the slope; What is the normal force acting on the sled
Two people with a combined mass of 123kg hop into an old car with worn-out shock absorbers. Find the total load supported by the springs
A particular heat engine has a useful power output of 4.90 kW and an efficiency of 27.0%. In each cycle, Find the time interval for each cycle
A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.
An ultraviolet lamp emits light of wavelength 400 nm at the rate of 430 W. An infrared lamp emits light of wavelength 700 nm, also at the rate of 365 W. Which lamp emits photons at the greater rate
a capacitor is formed from a hollow copper sphere of inner radius 44.5 cm and outer radius 55.6 cm. calculate the
A series RLC circuit has components with R = 50ohms, L = 0.15H, C = 20uF. The circuit is driven by a 120-V, 60-Hz source. What is the power delivered to the circuit
An inductor has a 54.0-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
A person's body is producing energy internally due to metabolic processes. What is the temperature of the coldest room in which this person could stand and not experience a drop in body temperature
A small metal cylinder rests on a circular turntable that is rotating at a constant speed as illustrated in the diagram (Figure 1) . The small metal cylinder has a mass of 0.20kg , the coefficient of static friction between the cylinder and the tu..
X-rays with wavelengths of 0.2597 nm are detected at a scattering angle of = 170° in a Compton-scattering experiment. calculate the energy of an incident photon
A block with mass m =7.5 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.25 m. what is the magnitude of the net force on the block
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