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Explain the relationship between the weight of water in the catch bucket and the object in the beaker.
1. The weight of the volume of the water is equal to the buoyant force of the object.
2. The weight of the volume of the water is less than the buoyant force of the object.
3. The weight of the volume of the water is greater than the buoyant force of the object.
4. The weight of the volume of the water is not a factor in the buoyant force of the object.
A 100 W light bulb has a resistance of about 12 ohms when cold (20 degrees C) and 140 ohms when hot. Estimate the temperature of the filament
A cancer treatment called the gamma knife uses focused 60Co sources to treat tumors. Each 60Co nucleus emits two gamma rays, Determine the effective radiation dose received by the tumor
A car in an amusement park ride rolls without friction around the track. It starts from rest at point A at a height h above the bottom of the loop. Treat car as particle a) what is the minimum (in terms of R) such that the car moves around the loop w..
Pretend you are cleaning your garage but the big door is stuck. You can only move things through the smaller "people" door. So the cars and riding lawn mower have to stay in the garage.
a baseball m 141 g approaches a bat horizontally at a speed of 39.2 ms 88 mih and is hit straight back at a speed of
a performer seated on a trapeze is swinging back and forth with a period of 8.85 s. if she stands up thus raising the
A cooking vessel on a slow burner contains 11.2 kg of water and an unknown mass of ice in equilibrium at 0°C at time t = 0. The temperature of the mixture is measured at various times, and the result is plotted. During the first 50.0 min, the mixt..
A 16.5-m-long cable consists of asolid-inner, cylindrical, nickel core 2.0cm in diameter surrounded by a solid-outer cylindrical shell ofcopper 2.0 cm in inside diameter and4.0 cm in outside diameter. There sistivity of nickel is 7.8*10-8 Ω · m, a..
A metal rod 32 cm long moves in a plane perpendicular to a magnetic field of 200 G. Find the speed of the rod if the potential difference between the ends is 6 V
the electric field in a region of space is uniform and has value 3.2 x 103 nc. it points in the positive x-direction.
the capacitor has a cross-sectional area a and a distance between plates of 10 mm. a battery with voltage of 30 volts
Your team of test engineers is to release the parking brake so an 848.0-kg car will roll down a very long 6.1 percent grade in preparation for a crash test at the bottom of the incline. What is the terminal speed for the car rolling down this grade
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