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The initial height of the ball is 60.0m and has a potential energy and initial pe of 1176.00 After the ball bounced it had a height of 15.0m and PE of 294.00. What was the maximum speed after it hit bottom?
An electron is accelerated horizontally from rest in a television tube by a potential difference of 25,000 V. At what angle will the electron be traveling after it passes between the plates
Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is 1/8 its amplitude
Atomic nuclei have a typical density of about 10^(17) kg/m^3. The density of liquid mercury is roughly 10^(4) kg/m^3. Approximately what fraction of the volume of liquid mercury is empty space between mercury nuclei?
Given a binomial distribution with n = 20 and p = 0.76, would the normal distribution provide a reasonable approximation? Why or why not and find the area under the standard normal curve for the following:
A person wearing a seat belt can withstand an acceleration of -310m/s squared. How thick should barriers be to carefully stop a car that hits a barrier at 120km/h.
If the height of the candies in the container increases at the rate of 0.26 cm/s, at what rate (kilograms per minute) does the mass of the candies in the container increase?
The last exhibit had a cylinder of mass 1.2 kg and radius .2 meters rolling down an incline with a linear velocity of 2 m/s. How much torque must be exerted by the friction force
Block A has a mass of 2 kg and rests on a smooth table. What is the acceleration in m/s2 of the two blocks
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle, What is the mass of the wheel
A super tanker with the mass of 3.36 × 109 kg is moving with a constant velocity. Its engines generate a forward thrust of 4.11 × 105 N. Determine (a) magnitude of the resistive force exerted on the tanker by the water and (b) magnitude of the upward..
A cube of ice is taken from the freezer at -8.7^circ C and placed in a 114 g aluminium calorimeter filled with 329 g of water at room temperature of 20.0 ^circ {rm C}. The final situation is observed to be all water at 15.0^circ C.
A bullet of mass mb = 16 g is fired with a speed of 260 m/s at a target that is a sheet of metal (mass mt = 410 g). what is the angular velocity of the target plus bullet just after the bullet hits
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