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An object at rest on a frictionless surface is struck by another object. Is it possible for both objects to be at rest after the collision? Explain using the principle of conservation of momentum.
A 100 gram iron block that has been heated to 200 degrees Celsius, What is the final temperature of the system
An airplane has a mass of 20,000 kg and takes off under the control of a constant net force of 30,000 N. What is the net force that acts on the plane's 73 kg pilot.
Ricardo and Maria both move to the center of the canoe. Ricardo notices that the canoe moves a distance d = 0.37 m relative to a rock that is stationary in the water. What is Maria's mass in kg
A 1560kg car is travelling with a speed of 14.20 m/s. What is the magnitude of the horizontal net force that is required to bring car to a halt in a distance of 52.10 m.
A state trooper chases a speeder along a straight stretch of road; both vehicles move at 136 km/h. The siren on the tropper's vehicle produces a sound of 490 Hz. What frequency is heard by speeder? (Take the speed of sound in air to be 343 m/s.)
After being accelerated to a speed of 1.62×105m/s , the particle enters a uniform magnetic field of strength 1.00T, Find the ratio m/q for this particle
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg. What is the dart's speed
A 208 kg copper bar is put into a smelter for melting. The initial temperature of the copper is 300.0 K. How much heat must the smelter produce to completely melt the copper bar? (The specific heat for copper is 386 J/kg?K, the heat of fusion for cop..
A large tub rests at the edge of a table 1m high. The tub is full, and is 2m tall with an area of 1000cm^2. Determine the speed of the water as it leaves the side
A bicycle has wheels with a diameter of 0.650 m. Find the linear acceleration of the bicycle
a a point charge q 4.40 microc is held fixed at the origin. a second point charge q 2.0 microc with mass of 2.80 10-4
An 845-N sled is pulled a distance of 186m. The task requires 1.2 multiplied by 104 J of work and is done by pulling on a rope with a force of 133-N. At what angle is the rope held.
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