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An 85-kg jogger is heading due east at a speed of 1.9 m/s. A 55-kg jogger is heading 24° north of east at a speed of 3.8 m/s. Find the magnitude and direction of the sum of momenta of the two joggers.
The acceleration of gravity at the surface of the moon is approximately 1/6 that at the surface of the earth (9.8 m/s2). What is the weight of an astronaut standing on the moon
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.40 mm. If a 23.0 V potential difference is applied to these plates, calculate the electric field between the plates
Muonium Muonium is a hydrogen-like atom in which the electron is replaced with a muon, a fundamental particle with a charge of -e and a mass equal to 207me. What is the Bohr radius of muonium
An airplane propeller is 2.38m in length (from tip to tip) and has a mass of 117kg. What is the angular acceleration of the propeller
When 1190J of heat are added to one mole of an ideal monatomic gas, Find the work done by the gas during this process
A car is traveling north at 17.7m/s. After 12s its velocity is 14.10m/s in the same direction. Find the magnitude and direction of the car's average acceleration.
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 275 kg · m2, What is the new angular speed of the merry-go-round
A 200 gram ball is attached to a string that is 1 m long and swung in a vertical circle. What is the minimum veocity of the ball so that the string will not slack at the top
question1a 115kg mail bag hangs by a vertical rope 4.0 long. a postal worker then displaces bag to a position 2.2m
When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..
a 1000kg car experiences a total power of 150hp (horsepower) if it starts from rest what is the magnitude of the velocity of the car in miles per hour 10s later
A conducting spherical shell of inner radius of a and outer radius b carries a net charge Q. find the surface charge density on the outer surface of the shell
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