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A 0.250 kilogram hammer is moving horizontally at 9.50 meter per second when it strikes a nail and comes to rest after driving it 1 centimeter into a board.
(a) Determine the duration of the impact.
(b) Find the average force exerted on the nail?
The launching mechanism of a toy gun consists of a spring ofunknown spring constant. determine the speed of the projectile as it moves through the equilibrium position ofthe spring
a jogger travels a route that has two parts. the first is a displacement of 2.40 km due south and the second involves a
what is the distance between town and john's current location? Illustrate what is john's current location?
A diffraction grating is placed 1.00 m from a viewing screen. Light from a hydrogen lamp is passed during the grating, and the 656 nm line in the hydrogen spectrum is seen in first order 60.0 cm to one side of the center. Then the hydrogen lamp is re..
A supertanker with the mass of 4.67 × 10^8 kg is moving with a constant velocity. Its engines generate a forward thrust of 8.71 × 10^6 N.
Suppose a pion is traveling in the positive x-direction, and the magnetic field is in the positive z direction. Was the pion positively or negatively charged
Suppose Galileo's pulse rate was 68 beats per minute. What is the time between consecutive pulse beats
n = 3.24 mol of Hydrogen gas is initially at T = 357 K temperature and pi = 2.79×105 Pa pressure. The gas is then reversibly and isothermally compressed until its pressure reaches pf = 7.62×105 Pa. How much work did the external force perform
a carnot heat pump operates between an outdoor temperature of 258 k and an indoor temperature of 283 k. find its
A 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the beam is horizontal.
An object is placed 8cm in front of a converging lens with a focal length of 18cm. What is the lateral magnification
A uniform, 257-{\rm N} rod that is 2.05 {\rm m} long carries a 225-{\rm N} weight at its right end and an unknown weight W toward the left end, how far must the fulcrum be moved to restore balance
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