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Perfectly, when a thermometer is utilized to measure the temperature of an object, the temperature of the object itself must not change. However, if a important amount of heat flows from the object to the thermometer, the temperature will change. A thermometer has a mass of 33.4 g, a specific heat capacity ofc = 832 J/(kg C°), and a temperature of 19.2 °C. It is immersed in 145 g of water, and the final temperature of the water and thermometer is 67.8 °C. What was the temperature of the water in degrees Celsius before the insertion of the thermometer?
A boy shoots a BB gun horizontally at a target 15 m away. The gun is aimed directly at the center of the target, but the small metal BB hits 56 cm lower. avoid any air resistance, what was the initial speed of the BB.
A soap film formed in a loop of wire is, because of its weight, not exactly uniform in thickness, but wedge-shaped in cross section. By how much does the film differ in thickness over the distance
An airplane is flying in a horizontal circle at the speed of 542 km/h. If the wings of the plane are tilted 33.0° to the horizontal, what is the radius of the circle in that the plane is flying? Suppose that the required force is provided entirely by..
A 7-turn coil encloses a square area measuring L = 0.31 m on each side, evaluate the magnitude of the torque on the coil
A string with a mass m = 6.00 g and a length L = 5.00 m has one end attached to a wall; the other end is draped over a small, what is the fundamental frequency of its vibration
calculate the ph of a solution that has an ammonium chloride concentration of 0.050m and an ammonia concentration of
An archer pulls her bowstring back 0.370 m by exerting a force that increases uniformly from zero to 227 N. (a) What is the equivalent spring constant of the bow?
What is the initial (horizontal) velocity of the ball. An airplane needs to reach a velocity of 203 km/h to take off. On a 2000 m runway, what is the least acceleration necessary for the plane to take flight.
A uranium and iron atom reside a distance R = 54.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. find the magnitude of the force on the electron from the uranium ion
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 183 MeV, How many nuclei are in the beam
A ball is thrown from the top of a building upward at an angle of 35? to the horizontal and with an initial speed of 15 m/s. How long is the ball in flight
Consider the elastic collision of an argon atom and an O2 molecule at room temperature and atmospheric pressure. what are their outgoing velocities
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