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Question: A hammer of mass m-0.45 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a nail and comes to rest after driving the nail a distance Î"x = 1.15 cm into a board.
(a) What is the duration of the impact, assuming the acceleration is constant during this time period, in terms of the given variables? Grade Summar Deductions
An object initially at rest experiences an acceleration 1.5m/s^2 for 6.0s and then travels at the constant velocity for another 8.0s. What is the objects average velocity over the 14s interval?
A 2.50 cm by 2.50 cm parallel-plate capacitor has a 2.30 mm spacing. The electric field strength inside the capacitor is 6.00×10^4. What is the potential difference across the capacitor
An ostrich cannot fly, but it is able to run fast. Assume an ostrich runs east for 7.95, Find the magnitude of the ostrich's eastward component and ostrich running speed
question1the pilot of the aircraft wishes to fly due west in a 48.5 kmh wind blowing toward the south. the speed of an
Find the acceleration of a forklift of mass 1400 kg pushed by a force of 2100 N that is opposed by a frictional force of 425 N.
If you hold a bar magnet in each hand and bring your hands close together, will the force be attractive or repulsive if the magnets are held so that A north pole and a south pole are brought together? The two north poles are brought close together?
an isolated cylindrical capacitor consists of two concentric conducting cylinders of length l. the innder cylinder has
A loudspeaker produces a musical sound by means of the oscillation of a diaphragm whose amplitude is limited to 2.0 μm. At what frequency (in Hz) is the magnitude a of the diaphragm's acceleration equal to g?
What is the coefficient of rolling friction μr for the tire under low pressure?
A typical human body has surface area 1.4 m2 and skin temperature 33 C. If the body's emissivity is about 0.90, what's the net radiation from the body when the ambient temperature is 11C? Express your answer with the appropriate units.
A rod of mass 0.300 kg and length 0.36 m has four small balls mounted on it. Two balls (shown in red on the diagram), each of mass 0.84 kg, are mounted at opposite ends of the rod. Two other balls, each of mass 0.24 kg (shown in blue on the diagram),..
A beam of electrons passes undeflected through two mutually perpendicular electric and magnetic fields. E = 8kV /m and B = 2 × 10?3T. Determine the ratio of the electron charge to mass
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