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A 50.0 kg child stands at the rim of a merry-go-round of radius2.05 m, rotating by an angular speed of 3.25 rad/s.
a) What minimum coefficient of static friction is required?
b) What is the child's centripetal acceleration?
c) What is the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path?
After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 1.69 km away. What distance did the dog run
A higway curve with a radius of 400m is banked properly for a car traveling 120km/h. how much sideways force must the tires exert
a near-sighted person might correct his vision by wearing diverging lenses with focal length f 60 cm. when wearing his
The planet Mercury has a mass of 3.3x10^23 kg and a radius of 2440 km. what is your mass on Mercury
q1. the coefficient of static friction between the 3000 lb cars tires and the road is 0.5. determine the steepest grade
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
A 10 cm wire carrying a current of 20 A is placed in a uniform magnetic field of 0.3 T. If the wire makes a angle of 40 degrees by the vector of magnetic field, discover the magnitude of the force on the wire?
As a space craft approaches a planet, the rocket engines on it are fired to slow it down so it will go into orbit around the planet. how long must the engines be fired
a steel rod is 2.2m long amp must not stretch more then 1.2 mm when a 8.5 kn load is applied to it.knowing that e
question on a part-time job you are asked to bring a cylindrical iron rod of density 7800kgm3 length 79.0 cm and
find speed at which the ball left the quarterback's hand.
A 350kg sailboat has an acceleration of .62m/s^2 at an angle of 64 degrees north of east. Find the magnitude and direction of the net force that acts on the sailboat
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