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an 85-kg skier is sliding down a ski slope. the slope makes an angle of 23degrees above the horizontal direction.
a) what is the fource actingo n the skier going down the slope?
b) what is the force acting on the skier perpendicular to the slope?
c) neglecting any air resistence the skier is g oing at a constant velocity what is the force of kinetic friction acting on the skier?
d) what id the coefficient of kinetic friction between the skis and the snow?
Find out the normal force exerted on the crate by the elevator.
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A circuit is connected in parallel with two capacitor C1=6F and C2=3F with seperate switches S1,S2 and has a voltage of 20V. capacitor C1 is first charged by closing switch S1. switch S1 is then opened , and charged capacitor is connected to the un..
An airplane is to drop an abject to hit a target on the ground. The plane is flying at a constant speed of 300 km/h horizontally, How far in advance should the object be let go in order for it to reach the target
A very long, straight solenoid with a cross-sectional area of 6.00 is wound with 40.0 turns of wire per centimeter, and the windings carry a current of 0.250. What is the average induced emf in the secondary coil
a roller coaster moves 85m horizontallythen travels 45m at an angle of 30.0 degrees above the horizontal. what is its
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In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
q1. an object is hung from a spring set into vertical vibration and immersed in a beaker of oil. its motion is graphed.
The work function for copper is 4.70 eV. Find the cutoff wavelength for copper
A boat with a speed of 10.0 m/s aims directly across a 250-m-wide river. If the water current is 2.00 m/s, how far downstream will the boat be when it reaches the other side
Find the self-inductance of a solenoid 44cm long and 6.0cm in diameter that contains 2000 turns of wire
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