Two lightbulbs are in series, one operating at 120 W and the other operating at 60.0 W. If the voltage drop across the series combination is 120 V, what is the current in the circuit?
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- When a fan is turned off, its angular speed decreases from 168 rpm to 64.0 rpm in 6.08 s. A) what is the angukar acceleration of the fan? B) How fast the edges of the blades are moving (in m/s) at time 6.08 s, if they are 86.0 cm long?A 2000 kg car going at a steady speed of 18.0 m/s takes a curve with a 50.0 m radius. The road is level. 1. Draw an FBD. 2. Find the centripetal force of the car. 3. Find the frictional force of the car. 4. Find the weight of the car. 5. What is the minimum value that the coefficient of static friction between the tires and the road must have so that the car takes this curve without slipping?A 10 m/s В A 1000-kg Jeep travels along a straight 500-m portion of highway (from A to B) at a constant speed of 10 m/s. At B, the Jeep encounters an unbanked curve of radius 50 m. The Jeep follows the road from B to C traveling at a constant speed of 10 m/s while the direction of the Jeep changes from east to south. ... 50 m N C W E S What is the magnitude of the acceleration of the Jeep as it travels from B to C? A 10 m/s? в) 5 m/s? C 20 m/s2 D 2 m/s2
- MA ball having a mass of 2.27 kg is swinging at the end of a cord in a vertical circle of radius 0.6 m at 2 rev/s. What is the tension in the cord when the ball is a. at the level of the center? b. At the bottom of the vertical circle?ANSWER QUICK! Ive read the honor code and it says that their a question can have up to 3 subparts (i.e. part a, b, and c). So please answer all questions. A fire hose held near the ground shoots water at a speed of 12.5 m/s. At what angle(s) should the nozzle point in order for the water to land 6.69 m away? What is the lowest angle in radians? What is the larger angle in radians?