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A car is traveling around a horizontal circular track with radius r = 190.0 m as shown. It takes the car t = 59.0 s to go around the track once. The angle ?A = 34.0° above the x axis, and the angle ?B = 62.0° below the x axis.
1) What is the magnitude of the car's acceleration?
2) What is the x component of the car's velocity when it is at point A
3) What is the y component of the car's velocity when it is at point A
4) What is the x component of the car's acceleration when it is at point B
5) What is the y component of the car's acceleration when it is at point B
6) As the car passes point B, the y component of its velocity is (decreasing/ constant/ or increasing)?
After they have exchanged charge and are placed 24 cm apart the magnitude of the electric force is now 3.6 Newtons. How much charge, in micro-coulombs, was exchanged
One solenoid is centered inside another. The outer one has a length of 47.0cm and contains 6800 coils, Find the emf induced in the inner solenoid
A piston-cylinder system has initial volume 1.0 liters, and contains ideal gas at 300k and 1 atm, with Cv=2.5R. What is the rate at which the gas does work
According to Equation 20.7, an ac voltage V is given as a function of time t by V = V0sin(2?f t), what is the smallest value of the time at which the voltage equals two-thirds of the peak value
What is the electric potential between the two terminals. A capacitor is formed by placing a 20 cm long charge carrier charged to +10nC placed 5cm away from and parallel to a 20 cm long charge carrier charged to -10 nC. Find the electric field at 1..
A parallel plate capacitor is make of two circular thin plates of radius 15 cm separated by 2.5 mm of a material with dielectric constant32. what is the charge resident on each plate
In a nebula, the amount of interstellar extinction in the visible wavelength band is 1.1 magnitudes. The thickness of the nebula is estimated to be 16 pc and it is located 458 pc away.
You are driving east on 8th Street (Tamiami Trail) at a speed of 33. What is the frequency of the siren
A basketball player grabbing a rebound jumps 70 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 11.9 cm of this jump and (b) in the bottom 11.9 cm.
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 25.7N. What is the sample's specific heat
A 4.0 uF capacitor is connected in series with a 2.0 kilaOhm resistor across a 20-V DC source and an open switch. If the switch is closed at t=0 s, what is the charge on the capacitor at t= 9 ms
A spaceship moves with a speed v = 0.86c relative to a space platform that has a landing strip 4500 m long. What is the apparent length of the landing strip
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