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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.
a thin layer of radioactive material emitting beta particles is painted on a small conducting sphere. the sphere is
The specifications associated with a commercial spectrophotometer are: Diffraction grating with 600 groves per mm. What is the reciprocal of the linear dispersion
The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0 above the horizontal, some of the tiny critters have reached a maximum height of 52.7 above the level ground. What was the takeoff speed..
A 1.00-kg glider attached to a spring with a force constant 25.0 N/m oscillates on a frictionless, horizontal air track. Find the period of the glider's motion
A long, straight, thin-walled cylindrical shell of radius R carries a current I parallel to the central axis of the shell. Discover the magnetic field (including direction) both inside and outside the shell.
A ping-pong ball has been electrostatically charged such that it has 2.5 x 1015 excess electrons. The ball has a massof 1.0 g. It is observed to float motionless in the presence of auniform electric field. What is the magnitude and direction of th..
A flatbed truck carries a load of steel. Only friction keeps the steel from sliding on the bed of the truck. The driver finds that the minimum stopping distance in which he can stop from a speed of 20.0 mi/h without having the steel slide forward in..
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground as he slows down.
we have a container of a hot ideal monatomic gas. the volume of the container is 25 liters. the temperature of the gas
A child complains that her 160 g of milk is too hot at 90 degree C. She then pour 80 g of cold milk at 7 degree C in it. If the specific heat of milk is 3800 J/kg.K, what is the temperature of the mixture?
It takes a force of 80.0 N to compress the spring of a toy popgun 0.200 m to "load" a 0.180-kg ball. With what speed will the ball leave the gun
A space probe is traveling in outer space with a momentum that has a magnitude of 7.80 107 kg · m/s. Determine the momentum of the probe after the retrorocket ceases to fire
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