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A virtual object is located to the right of a diverging lens whose focal length is -f cm. The distance from the lens to the object is ½ f and the light is traveling from left to right. Find the distance of the image of the virtual object measured with respect to the the lens.
A charge of 1 uC accelerates through a potential difference of 200V. What is the change in the electric potential of the charge
The left ventricle of the heart accelerates blood from rest to a velocity of + 20.3 cm/s. How much time does blood take to reach its final velocity
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
A telephoto lens with focal length of 120mm has f-numbers ranging from f/2.8 to f/22, What is the diameter of the lens aperture at f/2.8? in millimeters
An electron in a hydrogen atom makes a transition from the n=6 energy state to the ground state (n=1)
an average person uses 12000watt-hours per day, the cell is used for 6 hours a day at an incident of 1000wats/m^2, calculate the area need to supply this amount of power
A concave makeup mirror is designed so that a person 26 cm in front of it sees an upright image magnified by a factor of two
An airplane pilot with a mass of 90.0-kg pulls out of a dive by following the arc of a circle whose radius is 300 m at a constant speed of 190 km/h. find the force exerted on the pilot by the airplane seat
A baby elephant is fixed in a mud hole. To help pull it out game keepers use a rope to apply a force A as part a. By itself, though, force A is insufficient.
A 2.00m -long, 550g rope pulls a 13.0kg block of ice across a horizontal, frictionless surface. The block accelerates at 2.20m/s2 . How much force pulls forward on (a) the ice, (b) the rope?
A hotel elevator ascends 170 {rm m} with a maximum speed of 5.90 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.3 {rm m/s^2}.
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