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A curve in a highway has radius of curvature 130 m and is banked at 3.5°. On a day when the road is icy, what is the safest speed to go around the curve?
An optometrist prescribes contact lenses that have a focal length of 56.0 cm. Where is the unaided near point of the person located
question1when two tuning forks are struck simultaneously 9 pulses of increased sound intensity per second are heard.
a total of 25 rm kg of bananas on their way to the market. Assume that the springs have somehow not yet compressed to their maximum amount. Explain how much are the springs compressed?
A car turns around a level ben of radius 12 m to the center of gravity of the car. What is the fastest speed the car can travel at without tending to overturn
Find the moment of inertia of the plate for an axis that lies in the plane of the plate, passes through the center of the plate, and is perpendicular to the axis in part A
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisting of 2 protons and 2 neutrons).
Robert has just bought a new model rocket, and is trying to measure its flight characteristics. how much work is done by the drag force on the rocket during its ascent
An ideal gas at 26.9°C and a pressure 1.60 105 Pa is in a container having a volume of 1.00 L. Determine the number of moles of gas in the container
An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, find the linear speed of a point on the edge of the wheel
(a) What is the rate of energy radiation per unit area of a blackbody at a temperature of 294 K. (b) What is the rate of energy radiation per unit area of a blackbody at a temperature of 2940 K
Electrons accelerated by a potential difference of 12.43 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the shortest possible wavelength
A telescope has an angular magnification of -30× and a barrel 1.02m long. What is the focal length of the eyepiece
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