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As a 32,000 lb airplane takes off, the tangential component of the force exerted by its engines is Ft=45,000lb. Neglecting other forces on the airplane, determine(a) the masimum power and (b) the average power transfered to the airplane as its velocity increases from zero to 200 mi/h.
A stone is thrown at a bell with the speed of 20m/s. The stone strikes the bell and the sound is heard 2.60 s after the stone was released. Speed of sound is 342m/s, how far is the boy from bell.
When a metal is irradiated with 410-nm photons, the stopping potential is 1.2 eV. Find the cutoff wavelength (in nm) for this metal
A 50.0kg crate is being pulle along a horizontal smooth surface. What is the magnitude of the normal force acting on the crate
A square loop of wire with dimensions L x L lies in the xy plane, moving along the x direction with a speed v. Find the induced emf as the loop moves from one region to the next
A 0.200-kg block along a horizontal track has a speed of 1.40 m/s, What is the spring's maximum compression if the track is frictionless
If the velocity of a pitched ball has a magnitude of 35.0 m/s and the batted ball's velocity is 65.0 m/s in the opposite direction, Find the magnitude of the impulse applied to it by the bat
Two balls of the same mass areaccelerated by the different net forces such that one ball gains avelocity twice that of the other ball in the process.
A parallel-plate air-filled capacitor having an area 50 cm^2 and plate spacing 0.5 mm is charged to a potential difference of 500 V. Find a.) capacitance,b.)the magnitude of the charge on each plate,c.)the stored energy, d.)the electric field betw..
A lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C
The bullet becomes embedded in the block. if the coefficient of kinetic friction between the block and surface is .65 what was the speed of the bullet at once before impact.
A concave mirror is to form an image of the filament of a headlight lamp on a screen 8.00 m from the mirror, How far in front of the vertex of the mirror should the filament be placed
suppose the original experiment is done on the Moon, where g, the acceleration due to gravity, how will the graph compare to the original graph
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