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A 4.60 kg block of ice at 0°C is added to an insulated container partially filled with 10.6 kg of water at 15.0°C.
(a) Find the final temperature, neglecting the heat capacity of the container.
°C
(b) Find the mass of the ice that was melted.
kg
You create a plot of T2 (in s2) vs. L (in m) and the linear fit of your graph gives a slope of 3.7084 ± 0.0062. What is the value of the local gravitational constant, g
a 184x astronomical telescope is adjusted for a relaxed eye when the two lenses are 1.20 m apart. what is the focal length of the objective
A uniform 3.0-m plank weighing 150 N is suspended by vertical ropes at either end. determine the tension in the rope holding the left end of the plank
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. What is the amplitude A of each wave
What is the maximum instantaneous power dissipated by a 1.0 hp pump connected to a 240-Vrms ac power source
Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the electric field before and after the Mylar is withdrawn
Some birthmarks can be removed by exposure to 585 nm laser light. Pulses are strongly absorbed by hemoglobin in the capillaries in the birthmark, What is the power of the laser pulse
q1. three identical train cars coupled together are rolling east at 1.2 ms. a fourth car travelling east at 4.4 ms
6 kg of an ideal gas is in a volume of 1 m3 at 250°C. The gas undergoes a constant pressure change of state until the temperature is 500°C. Find the pressure at the initial state
A man's gold wedding ring has an inner diameter of 2.2cm at 30?C. what will be the change in the inner diameter of the ring
A uniform rod of mass 3.35×10?2kg and length 0.430m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod after the rings leave it
A step-up transformer has 10 turns on the primary coil and 500 turns on the secondary coil. what input current and voltage are needed
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