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Physics: Motion in Two Dimensions
An aircraft has a cruising speed 100 m/s. On this particular day, a wind is blowing towards the east at 75.0 m/s.
a) If the plane pointed due north, what would be the magnitude and direction of the velocity relative to the ground?
In an experiment with a helium-neon laser which has a wavelength of 632.8 nm you illuminate a single slit that is positioned 0.50 m from a screen. If the width of the single slit is 0.15 mm, what would be the width of the central maximum you would e..
the inner and outer surfaces of a cell membrane carry a negative and positive charge respectively. because of these
Name and describe the four types of reactions. What four factors would speed up the rate of a chemical reaction?
When an electron in a one-dimensional box makes a transition from the n = 1 energy level to then = 2 level, it absorbs a photon of wavelength 433 nm . What is the wavelength of that photon when the electron undergoes a transition from the n = 2 to..
A brass lidscrews tightly onto a glass jar at 20°C. To help open the jar,it can be placed into a bath of hot water. Find the size of the gap (difference in radius) that develops by this procedure
A roller coaster moves 200 ft horizontally, then rises 135 ft at an angle of 30.0° above the horizontal. Next, it travels 135 ft at an angle of 40.0°.
Find how the curvature radius R of the point's trajectory and the total acceleration w depend on the distance covered s.
two sinusoidal waves traveling in opposite directions interfere to produce a standing wave with the following wave
You hold two tuning forks oscillating at 294 Hz. You give oneof the forks to your friend who walks away at 1.50 m/s. What beat frequency do you hear
A typical red blood cell subtends an angle of only 1.91E-5 rad while viewed at a person's near-point distance of 25cm. Assume a red blood cell is examined with a compound microscope in which the objective and eyepiece are separated by a distance o..
Two small insulating spheres with radius 4.00×10-2 are separated by a large center-to-center distance of 0.595. One sphere is negatively charged, with net charge -2.40, and the other sphere is positively charged, with net charge 3.70. The charge i..
A 2.0 mm -diameter glass bead is positively charged. The potential difference between a point 2.1 mm from the surface of the bead and a point 4.4 mm from the surface of the bead is 500 V. What is the charge on the bead?
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