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1.Play with Pendulum Lab to figure out what variables affect the motion of a pendulum and write qualitative descriptions for each variable.
2.Design experiments to find the best equation for the relationship for length and period. Include a spreadsheet and chart with a trend line from Excel.
3.Based on your understanding from the Curve Fitting activity, discuss how well you think the equation really describes the relationship.
4.Design experiments to find the best equation for the relationship for initial angle and period. Include a spreadsheet and chart with a trend line from Excel.
5.Based on your understanding from the Curve Fitting activity, discuss how well you think the equation really describes the relationship.
An ac generator has a circular coil of 338 turns and diameter 0.200 m which rotates about an axis in the plane of the coil, What is the peak emf (in V) generated across the generator coil
A person with a mass of 60 kg climbs up to a diving board 4 meters above a swimming pool. How much work does the person do
What apparent free-fall acceleration is experienced by the managers remaining on the rim assume that the average mass for each inhabitant is 65kg.
A radar station locates a sinking ship at range 18.1 km and bearing 136° clockwise from north. How far apart are the plane and ship
7.5 mol of helium are in a 18 L cylinder. The pressure gauge on the cylinder reads 67psi, What are the temperature of the gas in Celsius and the average kinetic energy of a helium atom
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.3e14 kg · m/s. Find the relativistic momentum of the spacecraft
What average force is required to accelerate 7 gram pellet from rest to 125 m/s over a distance of .8 m along the barrel of a rifle.
In an integrated circuit, the current density in a 2.9 ??m?thick× 71 ??m?wide gold film is 7.7×105A/m2, How much charge flows through the film in 15 min
Imagine that we connect a 10-mH coil to a battery through a resistor, and it settles down to conducting 1.0A. How much energy is now stored in its magnetic field
A 2.05 g ping-pong ball rubbed against a wool jacket acquires a net positive charge of 1.26 ?C. How many electrons were removed from the ping-pong ball
q1. a baseball thrown at an angle of 55.0circ above the horizontal that strikes a building 18.0 rm m away at a point
An electric blanket is connected to a 120-V outlet and consumes 110 W of power. What is the resistance of the heater wire in the blanket
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