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Q. How close to the edge of the 28.0 kg table shown in Figure 9-47 can a 62.0 kg person sit without tipping it over?
Q. The gondola ski lift at Keystone, Colorado, is 2700 m long. On average, the ski lift rises 12.9° above the horizontal. How high is the top of the ski lift relative to the base?
As you sit facing your computer screen, electrons are directed from a source at the back of the computer toward you and are deflected by a magnetic field. Which direction must the magnetic field be oriented in order to direct the electrons to the ..
A collimated beam of microwaves impinges on a metal screen that contains a long horizontal slit that is 20cm wide. A detector moving parallel to the screen in the far-field region locates first minimum of irradiance at an angle of 36.8° above the ..
A playground merry go round of a diameter 6m and mass 240 kg is rotating at 12 rev/min about a frctionless vertical axle. Facing the axle, a 30kg child hops on to the merry go round and manages to sit down on its ledge. What is the new angular spe..
what is the minimum coefficient of static friction required between tires and race track if the car is to stay on the track at a speed of 130m/s.
A certain organ pipe, open at both ends, produces a fundamental frequency of 256 in air.If the pipe is filled with helium at the same temperature, what fundamental frequency will it generate ? Take the molar mass of air to be 28.8 and the molar ma..
A U-shaped tube is open to the air at both ends and is partially filled with Mercury (density = 13,600 kg/m3). Water (density = 1000 kg/m3) is poured into the left arm until the water is 10 cm deep. How long upward from its initial position does t..
What is direction of the resultant velocity
What is the net force exerted on the skier, assuming his acceleration is constant.
An object is held up by two ropes. rope 1 makes an angle of 65 degrees above horizontal and the tension in it is T1 = 26N. rope 2 makes an angle of 32 degrees above horizontal and the object is in equilibrium. what is the tension in rope 2 (T2) an..
A thin 12 cm long solenoid has a total of 490 turns of wire and carries a current of 1.9 A. find the magnitude of the field inside near the center.
A 5.00--long ladder has mass 12.5 kg and is leaning against a frictionless wall, making a 64 degree angle with the horizontal. If the coefficient of friction between the ladder and ground is 0.42, what is the mass of the heaviest person who can safel..
At the same time, the stationary trumpeter played the same note. Ballot heard 3.0 beats per second. How fast was the train moving toward him.
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