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To tighten a spark plug, it is recommended that a torque of 15.6 N·m be applied. If a mechanic tightens the spark plug with a wrench that is 24.2 cm long, what is the minimum force necessary to create the desired torque?
Camera lenses are described in terms of their focal length. A 50 mm lens has a focal length of 50 mm, Locate the position of the image
a 100v dc battery, a resistor and a capacitor are connected in series. The capacitor is initially uncharged. estimate the capacitance of the capacitor
His arm is 70 cm long and has a mass of 4.0 kg. Illustrate what is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
In the Bohr model, as it is known today, the electron is imagined to move in a circular orbit about a stationary proton. find what would be the corresponding orbital radius
Two sinusoidal waves traveling in opposite directions interfere to produce a standing wave with the following wave function, Determine the wavelength of the interfering waves
In a tennis serve, a 0.070 kg ball can be accelerated from rest to 36 m/s over a distance of 0.75 m. Find the magnitude of the average force exerted by the racket on the ball
A grandfather's clock is calibrated at a temperature of 20 C. The pendulum is a thin brass rod with a heavy mass attached to the end. On a hot day, when the temperature is 30 C, does the clock run fast or slow? How much time does it gain or lose i..
An object is recovered from under the sea. Its weight is measured to be 71.5 lb and its volume 2.5 ft3. What is the object%u2019s weight density
Light of wavelength 530 nm is incident normally on a diffraction grating. Two adjacent maxima occur at angles given by sinθ = 0.2 and sinθ = 0.3, respectively. What is the separation between adjacent slits
A plane flies 500 km east from city A to city B in 45.0 min and then 930 km south from city B to city C in 1.50 h. In magnitude-angle notation, what is the plane's displacement for the total trip
A person with a weight of 241 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
a charge of q 1.50e-8 lies on an isolated metal sphere of radius 16.0 cm. with v0 at infinity what is the electric
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