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Discuss in detail why it might be dangerous to microwave raw eggs with their shell intact using the concepts learnt today (Hint: pV = nRT).
Two ice skaters push off of one another. Paul has a mass of 65 kg and an acceleration of 5 m/s2 south. Tom has a mass of 75 kg, what is his acceleration
An archer pulls the bowstring back for a distance of 0.470 m before releasing the arrow. What is the elastic potential energy of the drawn bow
Bohr Model An electron is in the n=5 state of hydrogen to what states can the electron make transitions, what are the energies of the emitted radiations
A very large number (N+1) polaroids are arranged in a sandwich.
A 3.1 kg block slides down a frictionless ramp, as shown in the figure. The top of the ramp is 1.6 m above the ground; What is the speed of the block when it leaves the ramp
A gas mixture occupies a volume of 1.4m^3 at a temperature of 65 C and a pressure of 350 kPa. determine the molcular weight of the gas
A uniform beam of length L = 7.80 m and weight 3.95 102 N is carried by two workers, Determine the force that each person exerts on the beam
The gravitational force between two masses M and m separated by a distance r is 40 N. What is the new force when this distance is halved?
If 40 g of hot water at 80°C is poured into a cavity in a very large block of ice at 0°C, what will be the final temperature of the water in the cavity? Explain how much ice must melt in order to cool the hot water down to this temperature?
You produce an image of the Sun on a screen using a thin lens whose focal length is 28.3 cm. What is the diameter of the image in millimeters
three masses are located as follows: a 3.0 kg mass is at the origin, a 4.5 mass at (0.0m, 4.0m), what is the gravitational energy of the system of masses
The ball is pulled to one side and released to swing as a pendulum, reaching a speed of 5.8 m/s as it passes through the lowest point. Illustrate what is the tension in the rope at that point?
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