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Q1. A hunter aims straight at a target (on the same level) 134 m away, if the bullet leaves the gun at a speed of 230 m/s, by how much will it miss the target?
Q2. If a woman lifts a 20.0 kg bucket from a well and does 6.00 kJ of work, how deep is the well? Suppose that the speed of the bucket remains constant as it is lifted.
How did Pavlov and Watson's focus on scientific inquiry of behaviours differ from earlier viewpoints of structuralisms, psychoanalysts, and functionalists.
Both systems start from rest, and the direction of the force moves with the system and always points along the 4.00 m rod. What is the angular velocity of each system after 5.28 s.
How to find out speed of the block
A toy of mass 0.155 kg is undergoing SHM on the end of a horizontal spring with forces constant 305 N/m. When object is a distance 1.20×10-2 m from its equilibrium position, it is observed to have the speed of 0.255 m/s.
To stretch a relaxed biceps muscle 2.30cm requires a force of 25 N. Find the Young's modulus for muscle tissue assume it to be a uniform cylinder of length 0.24 m and cross-sectional area 51 cm2.
A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of one section with a force of F = 75 N that is directed perpendicular to the section. Find out ..
A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.
A diffraction grating with 330 {rm lines/mm} is 1.00 {rm m} in front of a screen. What is the wavelength of light whose first-order maxima will be 17.0 {rm cm} from the central maximum on the screen.
A 70kg man walks out on a 10kg beam that rests on, but is not attached to, two supports. When beam just starts to tip, what is the force exerted on the beam by the right support.
Find out the gravitational potential energy
What is the decibel level required for human perception
A ball is thrown directly downward with an initial speed of 8.50 m/s, from the height of 29.5 m. After what time interval does it strike the ground.
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