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A cord 15.m long has a mass of 3.00 grams. Ifthe tension were provided by a 2.5 kg mass, how long would the cord be to vibrate with one anti node? Assume f = 120 Hz.
The radius of curvature of the road is R, the banking angle is ?, and the coefficient of static friction is ?s. Determine the range of speeds the car can have without slipping up or down the road
A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.4 m/s2. If the tension in the cord is 86 N, what is the lamp's mass
find a horizontal force needed to pull a mass of 500 gram at constant velocity on a level surface and µk = 0.3?
In a pole sliding game among friends, a 90kg man makes a total vertical drop of 7.0m while gripping the pole which exerts and upward force (call it Fp) on him. How long did the second person's slide take
An object is attached to the lower end of a 100-coil spring that is hanging from the ceiling. The spring stretches by 0.160 m. The spring is then cut into two identical springs of 50 coils each. Each spring is attached between the ceiling and the obj..
A laser beam aimed from the earth is swept across the face of the moon. at what speed does the laser light move across the moon's surface
In the Olympiad of 700 BCE, athletes competing in the standing long jump used handheld weights called halters to lengthen their jumps. What distance would the use of the halters add to his range
Two skaters, one with mass of 58 kg and the other with mass 41 kg, stand on an ice rink holding a pole of length 9.5m and negligible mass. Starting from the ends of the pole, the skaters pull them selves along the pole until they meet. How far doe..
A plane sinusoidal electromagnetic wave has a magnetic field amplitude of 5 x 10^-5 T. What average force does this radiation exert on a totally reflecting surface of area 0.5 m^2
a metal sign for a car dealership is a thin uniform right triangle with base length b and height h. the sign has mass
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. What is the angular acceleration in the second training exercise
The starship Enterprise speeds by you at a speed of 0.960c. It is measure in your frame to be 100 m long. How fast did you appear to be traveling according to Data
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