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Question: An 8.33g bullet is fired into a 300g block that is initially at rest at the edge of a table of h = 1.08 m height. What is the initial horizontal velocity of the block as it flies off the table? (assume this to be in the positive direction). Determine the initial speed of the bullet.
A pitcher throws a curveball that reaches the catcher in 0.61 s. What is the angular displacement of the baseball
Two carts of equal mass, m = 0.280 kg, are placed on a frictionless track that has a light spring of force constant k = 47.6 N/m attached to one end of it, Find the magnitude of the velocity of the blue cart just after the first collision
Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. Find the force constant of this tendon in N/m
A small mailbag is released from a helicopter that is descending steadily at 2.12 m/s. How far is it below the helicopter
What is the resistance of the light bulb? A light bulb is wired in series with a 120-? resistor, and they are connected across a 120.0-V source
Two skaters, one with mass 65 kg and the other with mass 40 kgstand on an ice rink holding a pole of length 10 m and negligible mass. How far does the 40 kg skater move
A magnifying glass uses a converging lens with a focal length of 14.5 cm. It produces a virtual, How far is the object from the lens
A bowling ball of mass 6.00 kg rests in a groove with smoth, perpendicular walls, inclined at angles of 30.0 degrees (theta). find the normal forces at the left and right points of contact
A diving bell with interior air pressure equal to atmospheric pressure is submerged in Lake Michigan. At what depth is the diving bell
The current in a 100 watt lightbulb is 0.700A . The filament inside the bulb is 0.120mm in diameter. What is the electron current in the filament
A lightbulb has a resistance of 230?when operating with a potential difference of 180V across it. What is the current in the lightbulb?
The length of a beam increases by 1.46mm when its temperature is raised from 44.92oC to 90.5 oC. What is the length of the beam at the initial temperature? The thermal expansion coefficient of the material is 0.000053 /oC.
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