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What is the tangential speed of a passenger on a Ferris wheel that has a radius of 10 m and rotate once in 20 s?
Develop an optical system which would focus ALL the light from large lamp filament into an image of the filament which is smaller and hotter.
If the work output is 1100 kJ/kg, calculate the maximum thermal efficiency and compare with that of a Carnot cycle. Also find MEP.
What is the magnitude of the launching velocity?
Given that the spring constant is 50n/m, determine the length of springs compresion after the collision with the block.
What was Leonardo da Vincis theory of falling bodies?
Using the number of teeth on each gear provided in the table, determine the torque and rotational speed of the output shaft on the DC motor.
What are four distinctive approaches (not subfields, but approaches) anthropologists take to the study of human life?
Give an explanation for non-science students to understand why the curved exits and entrances of highway are always banked?
The mass of a penny is 2.50 g. What is the gravitational potential energy of the penny if it at rest at the top of Empire State Building which is 381 m high.
A surveyor's chain, 100-ft standard length, is 0.24 inches longer because of an increase in temperature. Determine the average thermal strain for this chain.
The mass of a regulation basketball is approximately 22 ounces. What is the average density of a basketball, in kg/m3?
Determine the center of mass coordinates for formaldyde, H2C=0. Start with a planar structure with C as the origin.
After collision, the two bodies are stuck together. What is the speed of the composite body (A+B) after the collision?
A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions.
If this acceleration happens during the first 7 secs of the ride, how much does the speed of the roller coaster cars increase?
The eagle emits a shrill cry whose frequency is 3400 Hz. The speed of sound is 330 m/s. What frequency do you hear?
What is the acceleration of the piano (magnitude and direction)
A bike tire with a mass of 0.75kg and diameter of 1.1m is rotating at 102.5 rad/s. What torque is necessary to stop the tire from rotating?
These included - Domestic Wind Turbine/ Wind Turbine to power traffic signs/ Wind Turbines in a Wind Farm.
The car hits a wall at a speed of 65 miles an hour. Explain what would happen to the dummy using Newton's first law of motion.
First, show the algebraic equation for the acceleration of the ball in this situation. Then, calculate the acceleration.
At a pressure of 0.0500 atm a constant-volume ideal gas thermometer reads a temperature of 345 K. What is the thermometer\'s triple point pressure, Pt?
What is the instantaneous acceleration (magnitude and direction) of a point at the top of the wheel?
The work done by friction; (c) the heat pro- duced; (d) the change kinetic energy of the block; (e) the final speed of the block if it started at 3.5 m/s.