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At t=0, wedge A starts moving to the right with a constant acceleration of 100 mm/s^2 and block B starts moving along the wedge toward the left with a constant acceleration of 150 mm/s^2 relative to the wedge.
Determine the acceleration of block B.
A man wants to swim across a river that is flowing north to south at 5 m/s. He can swim at a speed of 7 m/s.The river is 1/4 of a km wide. find the vector components of the swimming man's net velocity
Traveling at a speed of 15.2 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. What is the speed of the automobile after 1.15s have elapsed
A lamp draws 0.50 A from a 120-V generator. How much power is delivered? How much energy does the lamp convert in 5.0 min?
The tackler holds onto the receiver, and the two move off together with a velocity of +1.6 m/s. The mass of the tackler is 115 kg. Assuming that momentum is conserved, find the mass of the receiver.
A 0.25 kg puck is initially stationary on an ice surface with negligible friction. At time t = 0, a horizontal force begins to move the puck. The force is given by F= (12.0 - 3.00t^2)i, with F in newtons and t in seconds, and it acts until its mag..
A plane flying horizontally, at a speed of 50 meter per second and at an elevation of 160 meter, drops a package. Determine the velocity of each package when it hits ground
atoms are 1-dimensionally aligned with an interatomic distance of 10nm. lets assume that the positive charge of the
If a loop of chain is spun at high speed, it can roll along the ground like a circular hoop without collapsing. consider a chain of uniform linear mass density ? whose center of mass travels to the right at a high speed Vo. Determine the tension in t..
A cannon fires a cannon ball at 999.16 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
a 122 cm length of string has a mass of 1.70 g. it is stretched with a tension of 6.60 n between fixed supports. what
1. Discuss the history of psychology listing influential persons who have contributed to the discipline of psychology.2. Compare & contrast experimental research versus descriptive/correlational research and explain methods of evaluating research.
In a compound microscope, the focal length of the objective is 3.40 centimeter and that of the eyepiece is 6.40 centimeter. Determine what is the magnification (not the angular magnification) of the objective
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