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A rocket is lauchned upward with a velocity of 3m/s.
How long does it take to reach the top of its trajectory?
How long is it in the air?
How high does it go?
A 58-kg water skier is being pulled by a nylon tow rope that is attached to a boat. What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
At a pressure of 0.0500 atm a constant-volume ideal gas thermometer reads a temperature of 345 K. What is the thermometer's triple point pressure, Pt
a system of 1435 particles, each of which is either an electron or a proton , has a net charge of -7.216x10^-17, how many electrons are in this sytem
The magnitude of the electric field due to a small dipole is measured to be 250 N/C at a location on the axis of the dipole, 2 cm from the center of the dipole. Approximately what is the magnitude of the electric field due to the dipole at a location..
A spherical mirror is to be used to form an image, five times as tall as an object, on a screen positioned 4.2 m from the mirror. Describe the type of mirror required
Infrared light of wavelength 2.5micrometers illuminates a 0.20-mm-diameter hole. What is the angle of the first dark fringe in radians
A person has a far point of 33 cm. What power glasses would correct this vision if the glasses were placed 2.1 cm from the eye
During a certain period of time, the angular position of a swinging door is described by ? = 5.03 + 9.8t + 1.90t2, Determine the angular position, angular speed, and angular acceleration
a solid cylinder of radius 6 cm and mass 9 kg starts from rest and rolls without slipping a distance L = 6.0 m down a roof that is inclined at angle ? = 30°. What is the angular speed of the cylinder about its center as it leaves the roof
Suppose that 3.00 g of hydrogen is separated into electrons and protons. What is the resulting compressional force on the Earth
An interstate highway has been built through a neighborhood in a city. What is the average late-night sound level
Zinc has a work function of 4.30 eV. What is the maximum possible speed of the electron
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