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A certain freely falling object, released from rest, requires 1.85 s to travel the last 38.0 m before it hits the ground.
(a) Find the velocity of the object when it is 38.0 m above the ground. (Indicate the direction with the sign of your answer. Let the positive direction be upward.)
(b) Find the total distance the object travels during the fall.
Your telescope has a 700mm-focal-length objective and a 26-mm-focal-length eyepeice, You position film so that it caputures the image produced by the objective lens. What is the diameter of that image
An object of heat capacity 100 cal/C is initially at 30.0C. Estimate the resulting entropy change of the universe
The potential energy stored in the compressed spring of a dart gun, Find by how much is the spring is compressed
Elements that appear in the same column of the periodic table often share similar chemical properties. In the case of the alkaline earth metals, this is troublesome since the body treats calcium, calculate the path radius of the Ca ion
In a 280-turn automobile alternator, the magnetic flux in each turn is ?B = 2.50 multiply.gif 10-4 cos ?t, where ?B is in webers, ? is the angular speed of the alternator, Determine the maximum emf in the alternator
The electric potential at a position located a distance of 19.5 mm from a positive point charge of 7.70×10-9C, Calculate the value of the second charge
An astronomical telescope is designed with an overall magnification of 80x. The objective has a focal length of 98.0 cm. How far should the eyepiece be from the objective
A 731 kg car moving at 29 m/s brakes to a stop. The brakes contain about 13 kg of iron that absorb the energy. What is increase in temperature of the brakes
If you take data in paris of x and y related by the equation 5x = cy^4+7. What would you graph to linearize the data. Linearize it and what would the slope and intercept be
What is the distance between the particles at this time? The Coulomb constant is 8.95755 × 109 N • m2/C2, the elemental charge is 1.6721 × 10-19 C, and the acceleration due to gravity is 9.8 m/s2.
A cardboard box slides along a wood floor with an ini - tial velocity of 5.00 m/s. what is the coefficient of kinetic friction between floor and box
What is the coefficient of kinetic friction
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