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A volume of saline solution weighted 26.5g at 4 degrees Celsius. The same volume of water at 4 degrees Celsius weighed 25.4g. What is the density of the saline solution?
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As part of a fiendish plan, the physics student society decided to use a catapult to launch a water balloon toward the engineering quad. The catapult launches the balloon ( m =4.24 kg) with an initial speed of v 0=18.2 ...
Question - A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.170 s. What are the (a) period and (b) frequency? (c) The wavelength is 1.40 m; what is ...
Question: Part A: Calculate the period of a satellite orbiting the Moon, 91km above the Moon's surface. Ignore effects of the Earth. The radius of the Moon is 1740 km. Express your answer using three significant figures ...
Question: Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force neede ...
Question: A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in the figure. The ball's position is shown at 1.0 s intervals until t = 3.0 s. At t = 1.0 s, the ball's velocity ...
Question: An object is 6.0 cm in front of a converging lens with a focal length of 10 cm . Part A Use ray tracing to determine the location of the image. Express your answer using two significant figures. The response mu ...
Question: A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0060 m/s2 less than that at sea level (gsealevel = 9.83 m/s2). Part A: What is the observatory's altitude? Assume Rear ...
The total length of the blood vessels in the body is roughly 500,000 km. Most of this length is due to the capillaries, which have an average diameter of 12 um. Estimate the total volume of blood in the human body by ass ...
Question: A proton is released from rest at the positive plate of a parallel-plate capacitor. It crosses the capacitor and reaches the negative plate with a speed of 50,000 m/s. What will be the final speed of an electro ...
Question: A plastic rod that has been charged to -15 nC touches a metalsphere. Afterward, the rod's charge is -10 nC. a. What kind of charged particle was transferred between the rodand the sphere, and in which direction ...
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