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An object is 13 cm in front of a convex mirror whose focallength magnitude is 9cm and the magnitude of the distance is 5.3 cmfrom the image to the mirror. Is the image formed real orvirtual, and is it on the same side of the mirror as the object orthe opposite side?
A star is about 6.00 light years from Earth. How long would the trip take according to an Earth based observer
a 72-kg sprinter accelerates from rest to a speed of 11.0 ms in 5.7 s.a calculate the mechanical work done by the
Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is attached to the more massive block, Find the system's original elastic potential energy
a bicycle is turned upside down in the shop being repaired. a friend spins the wheel, radius R, and notices that water drops fly off the wheel tangentially to the wheel, calculate the average velocity V during one revolution
A regulation table tennis ball has a mass of 2.8g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center
Compute the final temperature using the ideal gas law and van der Waals equations of state. Assume that Cvm = 3/2 R and the van der waals parameters for Argon are a = 1.355 dm6bar/mol2 and b = 0.0320 dm3/mol.
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 74.5kg , What is the final speed of the crate if Jill jumps first and then Jack, again in the same direction
A ladder is leaning against a vertical wall. The coefficient of friction between the ladder and the horizontal surface is u1=1.265, Determine the maximum angle with the vertical the ladder can make
The 1.0 kg physics book is conected by a string to a 500g coffee cup. The book is given a push up the slope and released with a speed of 3.0 m/s. How far does the book slide
Recently we were padding on a boat in a sea. Surprisingly we saw gleaming points in water during padding. Would you explain about this.
An athlete does the 100 m dash. If observers on a spaceship moving with a speed of 0.741c relative to Earth see the athlete's run, find the time that was recorded on Earth
the coefficient of static friction for aluminum on steel is 0.61 and for copper on steel is 0.53. an aluminum block of
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