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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.
Suppose a car starts from rest and completes a straight line, 1/4 mile (402 meter) race in 12.3 seconds. Assume the acceleration to be constant.
A 80-g ball collides elastically with a 320-g ball that is at rest. If the 80-g ball was traveling in the positive x-direction at 5.75 m/s before the collision
A coil with 150 turns, a radius of 5.0cm , and a resistance of 12 Ohms surrounds a solenoid with 200 turns/cm and a radius of 4.3cm, Calculate the magnitude and direction of the induced current in the 150-turn coil
Two parallel wires are 77 centimeter apart. Each wire is 6 centimeter long. One wire is a carrying a current of 9 Amp and the other wire is carrying a current of 9 Amp. Determine is the force attractive, repulsive, or neither
The drawing shows a collision between two pucks on an air-hockeytable. Puck A has a mass of 0.0190 kg and is moving along the xaxis with a velocity of +4.63 m/s. It makes a collision with puckB, which has a mass of 0.0380 kg and is initially at re..
q1. a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 325 kmh in a semicircular
a particle of rest mass mo with kinetic energy 15moc2 makes a perfectly inelastic collision with an identical particle
a log is floating on swiftly moving water. a stone is dropped from rest from a 78-m-high bridge and lands on the log as
A skateboarder shoots off a ramp with a velocity of 5.7 m/s, directed at an angle of 53° above the horizontal. how far is this point horizontally from the end of the ramp
A spring with a spring constant k of 18 N/m is stretched a distance of 12 cm (0.12 m) from its original unstretched position. What is the increase in potential energy of the spring?
Some athletes can put out as much as 700 watts in short bursts. If you could sustain such an energy output long enough to reach the top of a mountain, how much time would it take you to get up there from the valley 7000 feet below the peak?
The field just outside a 3.90 cm radius metal ball is 2.55 102 N/C and points away from the ball. What charge resides on the ball
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