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Which of the following is a reasonable conclusion concerning the dimensions of g from the two experiments? (The experiment of the dropped ball and the experiment of the ball thrown upward)
1) The gauged value of g from the two experiments agrees with each other.
2) In one experiment, the air resistance increases the observed acceleration (magnitude) and in the other experiment air resistance decreases the observed acceleration (magnitude).
3) No two experiments yield the exact same gauged value. (The accepted value of g has been determined by making countless measurements using an average value.)
4) 2 and 3, but not 1
A 950-kg cylindrical can buoy floats vertically in salt water. The diameter of the buoy is 0.920 m. Calculate the additional distance the buoy will sink
The drawing shows two crates that are connected by a steel (Young's modulus 2.0 x 1011 N/m2) wire that passes over a pulley. determine the change in length of the wire
After hitting a long fly ball that goes over the rightfielder's head and lands in the outfield, the batter decides tokeep going past second base and try for third base. how much workwas done on the player by friction
Assume the drag force from the water is linearly proportional to speed. Now what is the time required to bring the ship to a stop
A 5.50kg mass traveling at 3.5 m/s on a fricktionless tabled suddenly collides, What will be the maximum compression of the spring after the composite collides into it
A block is placed at the end of the frictionless ramp and is pulled up the ramp through a solid ball on the end of a string that passes over a frictionless pulley that does not affect the motion of the block or ball. The ramp is 3.40 meters long and ..
A football is kicked straight up into the air; it hits the ground 5.4 s later. What was the greatest height reached with the ball? Suppose it is kicked from ground level. With what speed did it leave the kicker's foot?
A 200g ball on a 70-cm-long string is swung in a vertical circle about a point 200 cm above the floor. What was the tension in the string an instant before it broke
Calculate the average induced voltage between the tips of the wings of a Boeing 747 flying at 1000 km/hr above East Lansing. The downward component of the earth's magnetic field at this place is 0.7·10-4 T. (DATA: Assume that the wingspan is 60 meter..
My clothes washer spins the wash at a speed of 833rev/min to remove the water. The drum is 21.5 inches in diameter. What is the acceleration of the clothes at the drum
A vector has components of 7.0 units along the x axis and 9.0 units along the y axis. What is the angle between the vector and the x axis
A canister containing 150 kilogram of an ideal gas has a volume of 8.0 m x 103. If the gas exerts a pressure of 5.0 x 105 Pa, estimate what is the average speed of the molecules
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