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Solve each part of following problem given below:
Problem: You are standing in the Bisdorf building stairwell 5.75 m below your lab partner, who throws your calculator vertically upward to you. You catch the calculator 2.3 s later.
Part A: With what initial velocity was the calculator thrown?
Part B: What was the velocity of the calculator just before you caught it?
Please also explain thanks in advance.
A 110kg clock initially at rest on a horizontal floor requires a 607N horizontal force to set it in motion. After the clock is in motion, horizontal force of 525 N keeps it moving with a constant velocity.
On one of the very last lines in the solution it is stated that x= L/ 2.414. Then it skips to say that x= 0.414*L. What is the reasoning behind this step
An automobile battery has an emf of 12.60 V and an internal resistance of 0.084 0 ?. The headlights together have an equivalent resistance of 5.800 ? (assumed constant).
A person who weighs 680 N is riding a 98-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. If the gauge pressure in each tire is 6.45 105 Pa, what is the area of contact between each tire and the ..
A toroidal shaped magnetic material of radius, a, and cross sectional radius R has a small transverse gap cut into it of length l. The toroid is uniformly overwound with a coil of N loops carrying a current I. Show that for a ferromagnetic materia..
An electron is accelerated through an electric potential of 255 V, Find the radius in cm of the subsequent circular path for this electron
two objects of unequal mass hung vertically over frictionless pulley of negligible mass. Determine the magnitude of the acceleration of the two objects
A ball is thrown from the ground into the air. At a height of 9.1 m, the velocity is observed to be v = 7.1i + 6.8j, What will be the total horizontal distance traveled by the ball
explain why the ability to distinguish the two headlights of an oncoming car at a given distance is easier for the
What is the average speed in m/s of nitrous oxide molecule when the temp is 300K? The molar mass of oxygen is 0.032 kg/mol
A concave mirror and a plane mirror (f = 6.70 cm) are facing each other and are separated by a distance of 20.0 cm. An object is placed 11.0 cm in front of the plane mirror. Consider the light from the object that reflects first from the plane mirror..
A crate of mass 12.5 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, What is the change in kinetic energy of the crate
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