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A 100-W, 120-Vlightbulb has a resistance of 14Ωwhen cold (20°C) and 150Ωwhen on (hot).
Part A: Calculate its power consumption at the instant it is turned on.
Part B: Calculate its power consumption after a few moments when it is hot.
Two equally charged insulating balls each weigh 0.14 g and hang from a common point by identical threads 30 cm long. The balls repel each other so that the separation between their centers is 6.4 cm. What is the magnitude of the charge on each bal..
A race car starts from rest and drives as fast as possible over the"L" shaped course on the board. X=120m, R=35m. the car canaccelerate at a 9.0 m/s^2 under any condition (speeding up, slowingdown or turning). how long will it take to run the cour..
Discuss the behavior of the jumper's velocity as the velocity increase, i.e. as an engineer what is the information you can extract from the equation above
A particle moves along the x axis. It is initially at the position 0.130 m, moving with velocity 0.190 m/s and acceleration -0.330 m/s2. FIND the position of the particle after this time
Find the fractional number of molecules of a gas having speeds between vm and 1.05vm where vm = √2kT/m and is denoted as the most probable speed.
A steel beam is measured to be 15.65m long above ground where the ambient temperature is 80 degree Celsius. How much energy does the beam lose
An automobile has 53% of its weight on the front wheel. The front and back wheels are separated by 3 meter. Determine where is the center of gravity located with respect to the front wheels
a golfer takes three putts to get the ball into the hole. the first putt displaces the ball 3.41 m north the second
A space probe in deep space is moving along the x-axis at a speed of v0 when it is hit by a meteor. What is the final direction and speed (in terms of v0) of the probe
A bike wheel with a mass of 2.5 kg and a radius of 33 cm rolls across a horizontal floor with a transitional speed of 1.5 m/s. Find how far up the ramp will it go before stopping
A red 2·kg ball traveling 8·m/s due north collides with a green 2·kg ball traveling 5·m/s due west, what direction is he green ball going after the collision
Squeaky the balloon has been living large (diameter = 25 m) high above Santa ana college, where T= -20 Degree C, What is the air pressure at this point
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