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When you take a bath, how many kilograms of hot water (51°C) should you mix with cold water (12°C) so that the temperature of the bath is36°C? The total mass of water (hot plus cold) is 189 kg. Ignore any heat flow among the water and its external surroundings.
The accommodation limits for Nearsighted Nick's eyes are 18.0 cm and 80.0 cm. At what minimum distance is he able to see objects clearly
Three charges are fixed to an x, y coordinate system. A charge of +16 µC is on the y axis at y = +3.0 m. A charge of -16 µC is at the origin. Lastly, a charge of +50 µC is on the x axis at x = +3.0 m. Determine the magnitude and direction of the net ..
an elastic collision between two bodies in which the collision is not head-on. Projectile particle m1 is an alpha particle and target m2 is an oxygen nucleus. Find the initial speed of the alpha particle
A rotating cylinder about 16 km in length and 7.0 km in diameter is designed to be used as a space colony. With what angular speed must it rotate
A point charge, q1 = +2C, is placed at the origin (0m,0m), a second point charge, q2 = -3C, is located at (2m, 0m), and a third point charge, q3 = -4C, is located at (0m, 3m)
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.0 m/s due north relative to the water. If the river is 330 m wide, explain how far downstream has the boat moved by the time it reaches the ..
to move a large crate across a rough floor you push on it with a force f at an angle of 21deg below the horizontal.
Two converging lenses, each of focal length 13.4 cm, are placed 62.5 cm apart, and an object is placed 27.6 cm in front of the first. Where is the final image relative to the second lens formed
your roommate is an aspiring novelist and asks your opinion on a matter of physics. the novels central character is
Calculate the energy and velocity of the a-particle - prove that the final energy of the a-particle is given by
A contact lens is made up of a material with index of refraction 1.6. What must the radius of curvature of the outer (convex) surface be in order for the lens to have a focal length of 50 cm
a 2.00m long pendulum with a mass of 250 gr collides with a 95.0 gr sticky ball seating in the pendulums path at the
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