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There is an old question that goes like this: "A space explorer moving through the middle of intergalactic space, very far from any planet or star, notices a large rock floating around the cabin of the spaceship. The explorer wishes to take it as a specimen from an alien planet. Should he push gently or kick it toward the storage compartment?" You now know that there is an equal and opposite reaction based on Newton's 3rd Law and perhaps you are worried about the force of that rock hitting your spaceship (Newton's 1st Law)! Does Newton's 2nd law play a role here? If so when? It is doubtful that you will ever be in a spaceship. So, how could you apply these 3 laws in your life on Earth today? Give an example or two
in a nuclear experiment a proton with kinetic energy 9.0 mev moves in a circular path in a uniform magnetic field. if
A piece of rock weighs 301 N in air and has an apparent weight of 202 N when suspended under water. What are the volume and density of the rock
A flowerpot falls from the ledge of an apartment building. A person in an apartment below, coincidentlly holding a stopwatch, notices it takes 0.7s for the pot to fall past his window, which is 18m high.
A 715 kg car moving at 28 m/s brakes to a stop. The brakes contain about 17 kg of iron that absorb the energy. What is the increase in temperature of the brakes
One mole of an ideal diatomic gas is heated from a temperature of 19 degrees C to a temperature of 149 degrees C. How much heat in joules must be supplied if the volume is kept constant during heating?
An automobile has a mass of 1690 kg and a velocity of 23.8 m/s. It makes a rear-end collision with a stationary car whose mass is 2100 kg. determine how far the cars skid before coming to rest
1 how much force would you need to exert in order to stop a gun recoil if the recoil lasts for 0.2 s? the gun has a
A stone is thrown directly upward from a height of 30 ft with an initial velocity of 60 ft/sec. Determine the time at which the stone reaches its maximum height
Water flows through two garden hoses. The large diameter hose is connected to the end of the small diameter hose. How are the pressures in the two hoses related
Light with a wavelength of 650 nm passes through a slit 7.56 µm wide, Find the linear distance on the screen from the central bright fringe to the third dark fringe on either side
he plane is traveling horizontally at 150.0 m/s at a height of 70.0 m above the ground. Illustrate what horizontal distance does the package travel before striking the ground?
If a person's food energy intake is 2400 kilocalories per day and if all this energy is given off as heat, what is the average rate of heat output in watts
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