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Figure 1 = a pulley on top of triangle...one block to left of the pulley is2kg .... triangle = 30 degree angle....second block = m
A) Assume that all surfaces in the figure are frictionless. What value should have so the masses won't accelerate? Express your answer to two significant figures and include the appropriate units.
B) Now take mk=0.10 on all surfaces andm=0.50kg. What will be the acceleration of both masses? Express your answer to two significant figures and include the appropriate units.
A 32 -tall, 6.0 -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water
q1. the loaded cab of an elevator has a mass of 3000 kg and moves 181 m up the shaft in 23 s at constant speed. at what
Physicist Robert Adair, once appointed the "official physicist to the National League" by the commissioner of baseball, What is the difference in wavelength of these sounds
A 52.6-kg skateboarder starts out with a speed of 2.16 m/s. He does 89.2 J of work on himself by pushing with his feet against the ground. Calculate the change (PEf - PE0) in the gravitational potential energy
A large boat with a weight of 70000 tons moves at constant speed due west. What is the net force on the boat
he primary coil of a transformer has N1 = 390 turns, and the secondary coil has N2 = 2 260 turns. what rms voltage is developed across the secondary coil
A loudspeaker emits energy at the rate of 53W, What is the intensity of sound 19m from the speaker
The ball rebounds straight upward to a height of 0.660 m. illustrate hat are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor.
A bird (mass 31 g) is flying at 11.1 m/s when it flies into a glass window and bounces off at a speed of 4.1 m/s. What is the average force on the bird during the collision
A 1200-kg car carrying four 88 kg people travels over a "washboard" dirt road with corrugations 4.3 m apart. The car bounces with highest amplitude while its speed is 13 km/h. While the car stops, and people get out, by how much does the car body ..
A copper transmission cable 140 long and 11.5 in diameter carries a current of 145. What is the potential drop across the cable
The distance between a carbon atom (m = 12 amu) and a nitrogen atom (m = 14 amu) in a CN molecule is 0.1 nm. How far from the carbon atom is the center of mass of the atom
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