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1. Errors:
The time it takes to go from rest to 30 mph at constant deceleration can be measured to an accuracy of 1%. What is the percentage uncertainty in the distance travelled?
2. Proportionality:
Particles in a synchrotron lose energy by radiation at a rate proportional to the square of their energy. Which loses a larger fraction of its energy more quickly: higher or lower energy particles?
In a compound microscope, the focal lengths of the objective andeyepiece are +0.50 cm and +2.0 cm respectively. Compute the magnifying power of the microscope
Atwood's Machine The two masses (m1 = 5.1kg and m2 = 2.5kg ) in the Atwood's machine are released from rest, with m1 at a height of 0.95m above the floor. Determine the pulley's mass
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. The mass of the blade is 0.59 kg and its length is 0.50 m. to what height would the blade rise
This isotope can also decay by ?-emission. What is the energy release in this case? What is the maximum kinetic energy of the emitted ?-particle
A 276g ball is tied to a string. It is pulled to an angle of 5.00 degrees and released to swing as a pendulum. How long is the string
Speedboat A negotiates a curve whose radius is 118 m. Speedboat B negotiates a curve whose radius is 270 m. Each boat experiences the equivalent centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
Two masses are suspended by a rope that passes over a pulley. Both the pulley and the rope have negligible mass and there is no friction in the pulley. Determine the acceleration of the system
An object has a total energy of 5.0 x 10^15 J and a kinetic energy of 2.0 x 10^15 J. What is the magnitude of the object's relativistic momentum
A horizontal rope is tied from a house to a pulley and down to a paint bucket filled with sand. what is the mass of the bucket of sand
An electron with a speed of 5.16 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude2.16 × 103 N/C, Determine how much time will have elapsed
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 675 m/s. The gun is pointed directly at the center of the bull's-eye, What is the horizontal distance between the end of the rifle and the bull's-eye
Air is trapped above liquid ethyl alcohol in a rigid container. If the air pressure above the liquid is 1.11 atm, determine the pressure in the bulb inside a bubble 4.0 m below the surface of the ethanol.
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