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Jeff of the Jungle swings on a vine that is 7.20 long. At the bottom of the swing, just before hitting the tree, Jeff's linear speed is 8.50 . Suppose that at some point in his swing Jeff of the Jungle has an angular speed of 0.880 and an angular acceleration of 0.680
(a) Find the magnitude of his centripetal acceleration.
(b) Find the magnitude of his tangential acceleration.
(c) Find the magnitude of his total acceleration.
(d) Find the angle his total acceleration makes with respect to the tangential direction of motion.
You're using a rope to pull a sled at constant velocity across level snow,with coefficient of kinetic friction 0.050 between sled and the snow. With what force should you pull with the rope horizontal
A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle
John's mass on the Earth is 65 kg. What are his metric mass and weight on Mars where g=3.72m/s^2
When she reaches the bus, explain how fast is the bus traveling? If the student's top speed is 2.20m/s^2 , will she catch the bus? What is the minimum speed the student must have to just catch up with the bus?
question1while johny is travelling all along an interstate highway he notices a 143 mile marker as he passes through
A person who is nearsighted has a far point of do = 4.8 m. Write an expression for the focal length of the glasses which will allow her to see distant objects clearly
A 650-N physics student stands on a metric bathroom scale inside an elevator. The elevator (including the student) has a total mass of 875 kg. What is the tension on the elevator cable in both cases
A square wire loop (size L x L) carries current I. Find the magnetic field at the center of the loop
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 81.0 m/s at ground level. What is its maximum altitude
Calculate its average velocity for the entire trip. A horse canters away from its trainer in a straight line, moving 120 m away in 15.0 s. It then turns abruptly and gallops halfway back in 5 s.
Two satellites, A and B, are in different circular orbits about the earth. The orbital speed of satellite A is thirty-six times that of satellite B
A vertical straight wire carrying an upward26-A current exerts an attractive force per unit length of 7.3×10?4N/m, What is the direction of the current in the second wire?
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