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Use the equation Q = (m)(c)(change in T) to calculate the heat "lost" by the hot water. Show your work using the problem-solving method shown in previous rubrics. The specific heat for water (c) is 4186 J/(kg * Co).
Light travelling through air enters a certain liquid at an angle of incidence of 43 degrees. What is the index of refraction of the liquid
A uniform beam having a mass of 60 kg and a length of 2.8 meter isheld in place at its lower end by a pin. Its upper end leansagainst a vertical frictionless making an angle of 40 degrees withthe horizontal. What is the magnitude of the force by t..
A 270-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 34° with the horizontal. What is the angular speed of the sphere at the bottom of the slope if it starts from rest?
A bar of lead (bar A) is in thermal contact with a bar of silver (bar B) of the same length and area. Find the temperature at the junction when the energy flow reaches a steady state
In a head-on collision, a car stops in 0.15s from a speed of 19m/s. What force is applied to the driver by his seat belt during that fraction of a second
The pattern was recorded by using a neutron detector to measure the neutron internsity at different positions. determine how far the detector was behind the slits
A small rigid object carries positive and negative 4.00 nC charges. It is oriented so that the positive charge has coordinates, Find the electric dipole moment of the object
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 flat circular coil with 125 turns, a radius of 3.42 x10-2 m, and a resistance of 0.448 Ω is exposed toan external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field ischanging at a..
When 165 V is applied across a wire that is 14 m long and has a 0.31 mm radius, Find the resistivity of the wire
1.) A 0.50kg bullfrog is sitting at rest on a level log. How large is the normal force of the log on the bullfrog. 2.) A second 0.50kg bullfrog is on a log tilted 38 above horizontal. How large is the normal force of the log on this bullfrog
An explosion breaks an object into two pieces, one of which has 1.5times the mass of the other. how much kinetic energy did each piece acquire
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