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A cab driver picks up a customer and delivers her 1.80 km away, on a straight route. The driver accelerates to the speed limit and, on reaching it, begins to decelerate all at once. The magnitude of the deceleration is four times the magnitude of the acceleration. Discover the lengths of the deceleration and acceleration phases.
A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of 20.0 rad/s2. What is the tangential acceleration of a point on the edge
A 70.0 kg person balances a 1250 kg elephant which is standing on a circular lift of diameter 2.00 m. What is the diameter of the piston
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 56.11 diopters, and the lens-to-retina distance is 1.791 cm. (a) How far is the blackboard from her eyes? (b) If the writing on the blackboard i..
question1analyse the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted
A rock is thrown from the roof of a building with a velocity v(0) at an angle alpha(0) of from the horizontal. Calculate the magnitude of the velocity of the rock just before it strikes the ground
If the field is directed perpendicular to the plane of the loop and the magnetic flux through the loop is 7.60 10-3 T · m2, what is the strength of the magnetic field
if the coefficient of static friction between tires and pavement is 0.55 calculate the minimum torque that must be
How much energy is transferred to the water as heat
consider two observers jane and susan both in the vacuum region surrounding a 15 compact spherical object of
On a sunny morning in a ?eld, the atmospheric pressure is 10N/m and the temperature is 279 K. How much heat must be added to the air in the balloon to initiate the ?ight
Consider a heat engine that operates between thermal reservoirs at 450 K and 232 K. Suppose the engine does 4500 J of work while it expels 90 J of energy to the cold reservoir. Is this engine possible in the real world
Red light of wavelength 671.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
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