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Solve the all parts of given question:
Question: A penny is dropped from a 700 ft high building.
Part A: How long does it take for the penny to reach the ground below?
Part B: What is the velocity of the penny upon impact?
I need help to find the velocity of the penny upon impact.
Two identical, small insulating balls are suspended by separate 0.35-m threads that are attached to a common point on the ceiling, Determine the tension in the threads
NASA launched a flying saucer to the top of the stratosphere. The plan was for the flying saucer to reach a height of 50 kilometer before entering the next phase of launch to the planet mars using rocket in space. Find how much time did it take fo..
A convex spherical mirror, whose focal length has a magnitude of 19.8 cm, Where should the object be placed cm in front of the mirror
The coefficient of kinetic friction for a 22 kilogram bobsled on a track is .10. Determine what force is required to push it down a 4o ( θ = 4) incline
A student sits on a swivel seat. Initially the student is at rest, holding a spinning bicycle wheel that has an angular velocity of 10.5 rad/s, Find the student's final angular velocity
An electron in a hydrogen atom is orbiting the nucleus at 2.2x106 m/s. If we treat the electron as a classical current loop orbiting the nucleus
The wave reflects from the speeder's car and returns to the police car, where its frequency is measured to be 280 Hz less than the emitted frequency. Find out the speeder's speed with respect to the ground.
Ships A and B leave port together. For the next two hours, What is the distance between the two ships two hours after they depart
A toy of mass 0.155 is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 295 . When the object is a distance 1.15×10?2 from its equilibrium position, it is observed to have a speed of 0.305.
Light with a frequency of 2.99 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons?
Two protons (radius 10^-15 m) are headed directly toward each other with equal speeds. Use the principle of energy conservation to compute the minimum kinetic energy and initial speed each proton must have if they are to collide.
Suppose light with a wavelength of 660 nm in a vacuum is incident upon fused quartz, which has an index of refraction of 1.36. What is the wavelength of this light be inside the quartz
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