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A point mass m = 153 g hangs from a string of length l = 1.44 m.
Calculate the value of v, the initial speed m should be given at the bottom, so that the string reaches a maximum angle of θ = 46.5o?
In order to pass a physical education class at a university, a student must run 1.0 meter in 11.5 minute. Find what constant acceleration does she need
A 2.25 mol sample of an ideal monatomic gas undergoes the reversible process, What is the change in the internal energy of the gas
An electric eye also called "magic eye" or, photocell, is a solid-state device that converts light into electrical energy by producing a voltage or uses light to regulate the flow of current. An electric eye, which automatically opens a door as yo..
If alpha particles are caused to fall through a potential difference of 1500 volts, determine their final speed if they were initially at rest. An alpha particle has mass 6.68*10^-27kg and charge of +2e. Alpha particles are Helium nuclei.
question 1. a small sphere with a charge of -0.571 c is placed in a uniform electric field of magnitude 1.20 x 106 nc
a battery has an internal resistance of 1.3 omega and a voltage of 48 v. what is the load resistance which causes the
question1a compute dissimilarity in blood pressure between the feet and top of the head for a person who is 1.65 m
Suppose one gallon of gasoline produces 1.1 x 108 J of energy, and this energy is sufficient to operate a car for twenty miles. how many miles could the car go with that energy
A standing wave in a pipe with both ends open has a frequency of 444 Hz. The next higher harmonic has a frequency of 602 Hz. Determine the fundamental frequency. How long is the pipe?
Use the worked example above to help you solve this problem. A tortoise and rabbit engage in a footrace over a distance of 3.70 km. The rabbit runs 0.400 km, then stops for a 83.0-min nap. Upon awakening, he remembers the race, and runs twice a..
Four identical masses of 3.2 kg each are located at the corners of a square with 1.1 m sides. What is the net force on any one of the masses
What is the drag force exerted on a runner running at a 7min/mi pace (3.83 m/s) on a day with no wind? Suppose a coefficient of drag of 0.8, an air density of 1.204 kg/m3, and a frontal surface area of 1.0m2.
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