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An upright image is formed with a spherical mirror of focal length of 15 cm. The distance between an object and its upright image is 20.0 cm. The upright image formed with the mirror has a magnification of 0.50. a. What is the mirror concave or convex? b. Discover the object distance and the image distance. c. Sketch the ray diagram indicating the objet and the image distances.
A pen contains a spring with a spring constant of 251 N/m. How much work is done by the spring force to ready the pen for writing
A hawk flies in a horizontal arc of radius 14 m at a constant speed of 5 m/s. (a) Find out its centripetal acceleration. (b) It continues loftly along the same horizontal arc but increases its speed at the rate of 1 m/s2. Find out the acceleration..
Use the pivot as the reference point because then two of the four forces on the plank exert zero torque. Which two? Since the plank is at rest, Find the normal force acting at the pivot point
Airplane flight recorders must be able to survive catastrophiccrashes. Therefore, they are typically encased in crash-resistantsteel or titanium boxes that are subjected to rigorous testing. Oneof the tests is an impact shock test, in which the bo..
Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.6 seconds, what will be his final velocity and how far will he fall
question1a 68.0-kg person throws a 0.0490-kg snowball forward with a ground speed of 32.0 ms. a second person with a
Two point charges, q1 and q2 attract each other with a force of.012N. q1 is positive and has a charge of .4uC and q2 is negative and has a charge of -.3 uC.
a 4 cm diameter vertical cylinder is sealed at the top by a frictionless piston. the piston is 25 cm above the bottom
a basketball leaves a players hands at a height of 2.20 m above the floor. the basket is 3.05 m above the floor. the
A penny is dropped from rest from the top of the Willis Tower in Chicago. Find the speed with which the penny strikes the ground
The temperature difference between the inside and the outside of a home on a cold winter day is 49°F. Express this difference on the Kelvin scale.
A crazy anti-textbook Pearson rep goes ape and tries to chop a 6.0 cm thick textbook in half to show you how books, what force did the book exert back while it was being cut
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