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Discuss the history of psychology listing influential persons who have contributed to the discipline of psychology.
A 200 gm block of metal is heated to 100 degrees Celcius in boiling water. This block is after placed in an aluminum calorimeter cup (mass - 30gm; c - .22 cal/g degrees C) containing 180 gm of water at 20 degrees C.
A yo-yo has a rotational inertia of 977 g•cm2 and a mass of 117 g. How long does the yo-yo take to reach the end of the string
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
A beam of electrons of 25eV kinetic energy is directed at a single slit of 2.0 x 10-6 m width, and then detected at a screen 4m beyond the slit. How far from a point directly in the line of the beam
The electric field in an xy plane produced by a positively charged particle is 13.7(6.9i + 6.0j) N/C at the point (3.3, 3.3) cm and 105i N/C at the point (5.0, 0) cm. What is the charge (in Coulombs) of the particle
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree as well as its height but you are unable to make the measurements directly. However, by using a mirror to form an image of the tree a..
a cart starts from rest at the top of the tilted track. assume the track is frictionless. the cart passes photogate a
Two 2.6cm -diameter disks face each other, 3.0mm apart. They are charged to ±20nC. What is the electric field between the disks
An air-filled parallel-plate capacitor has plates of area 2.20 cm2 separated by 0.50 mm. What is the magnitude of the uniform electric field between the plates
A golf club strikes a 0.034-kg golf ball in order to launch it from the tee. With what speed does the ball leave the club
If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve, What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 15.0 km/h
A ship is traveling east at 36.0 km/hr. A small boat is also traveling east at 4.05 m/s. What is the whale's velocity relative to the ship's inertial frame
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