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1. Discuss how a grandfather clock (a pendulum clock), accurate at 20oC, will run fast or slow on a hot day (say, 30oC)?
Knowing this, what other things in your home will run differently based on temperature?
Thermodynamics
2. Discuss how the conservation of energy law explain whys the temperature of a gas increases when it is quickly compressed, whereas the temperature decreases when the gas expands.
Give an example of where you would see this law in practice in your everyday life.
A physics student stands on the edge of a tall building 50.0m high. She throws a ball with a speed of 20.0m/s at an angle of 38.0 degrees above the horizon. how far from the edge of the building (what x) does the ball hit the ground
if a particle undergoes simple harmonic motion (SHM) withamplitude 0.25m, what is the total distance it travels in one period
The terminal speed of a sky diver is 124 km/h in the spread-eagle position and 338 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other
A ball of mass 0.190 kg has a velocity of 1.47 i m/s; a ball of mass 0.305 kg has a velocity of -0.392 i m/s.They meet in a head-on elastic collision. Find the velocity of their center of mass
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -89\mu C. How many excess electrons does she get
If the water in the river is flowing at 3.0 m/s, explain how long does it take the boat to make a round trip consisting of a 250 m displacement downstream followed by a 250 m displacement upstream?
A 5-kilogram block is fastened to a vertical spring that has aspring constant of 1,000 newtons per meter. A 3-kilogram blockrests on top of the 5-kilogram block. the blocks are nw pushed down and released so that they oscillate.
A 120 W lightbulb and a 90.0 W lightbulb are connected in a series. what is the current through the two bulbs
In a single-slit diffraction pattern produced by electromagnetic radiation from a distant source passing through a slit of width a, What is the wavelength of the electromagnetic radiation
An electric dipole is formed from ±1.0nCcharges spaced 2.00mm apart, What is the electric field strength at the points (x, y) = (14.0 cm , 0 cm),(x, y) = (0 cm, 14.0 cm)
a geostationary communications satellite orbits the earth directly above the equator at an altitude of 34800.
One swimmer in a relay race has a 0.49 s lead and is swimming at a constant speed of 3.97 meter per second. Determine what constant speed must the second swimmer have in order to catch up to the leader at the end of the pool
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