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Using the same formula for the speed of sound; calculate the temperature outside if your friend is driving towards you at a speed of 30 km/h
We tried to place a satellite of X in a circular orbit with a radius of 8 km. How fast in m/s would it describe its orbit around the Earth?
Explain where heat will flow from and where it will flow to. The three systems to focus on are the air in the room, the water and the ice cubes.
Where will the image from the first lens be? Will it be real or virtual? Will it be upright or inverted? Where will the final image be (using both lenses)?
After 10 seconds, Ben catches up to Michael. Create a motion diagram for both Michael's and Ben's motion. (Two diagrams)
Execute the calculation of both sampling frequency and bandwidth of the anti-aliasing filter. Hence, plot the 3 dB bandwidth spectrum.
Part of the light is reflected and the rest refracted. What is the angle (in degrees) between the reflected and refracted beams?
When the disk reaches a speed of 0.8 m/s, the object starts to slide off the disk. What is the coefficient of static friction between the object and the disk?
It then proceeds around the second vertical loop with a height of 13.0 m. What is the speed of the roller coaster at the top of the second vertical loop?
A pumpkin is launched from the ground at an angle of 60° above the horizontal. What is the angle, in [o], of pumpkin's velocity just before it strikes target?
When using an FTIR, which utilizes an interferometer, why do we need a Fourier transform to obtain the actual IR spectrum?
What is the magnetic field inside the wire? What is the magnetic field 15 mm from the outside of the wire?
Give two examples of Bernoulli's principle in action. Explain in detail how Bernoulli's principle works in each situation.
(a) What is the total distance traveled over the entire trip (in km)? (b) What is the average speed for the entire trip (in km/h)?
This position is very far from the proton, how far is the electron-proton so that the instantaneous velocity of the electron is twice the initial velocity?
Energy is extracted from the hot reservoir and 75J is transferred to the cold reservoir. Calculate the entropy and efficiency of this heat engine.
On a hot day, the temperature on the Fahrenheit scale changes by 10 °F. Calculate the corresponding change on the Kelvin scale.
Find the proper orthogonal polarization states for each projector, and the Jones matrices describing the 3-D cinema glasses.
The speed of a train is reduced uniformly from 20 km/h to 10 km/h while travelling a distance of 80 m. (A) Calculate the deceleration of the train.
Distinguish between kinetic energy and gravitational potential energy, using your own words and understanding.
Is it a cyclic process like the heat engine? Research refrigeration and explain the process in terms of the First Law of Thermodynamics.
What is the gravitational potential energy of a 45 kg barbell a distance of 1.8 In above the ground? Show how you got the answer for full credit.
What are the x and y coordinates at the center of the particle's circular path? (Please answer in detail)
How much work is done on the lawn mower if he exerts a constant force of 65.0 N at an angle of 45° below horizontal and pushes mower 100.0 m on level ground?