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A farsighted person uses glasses with a refractive power of 3.3 diopters. The glasses are worn 2.7cm from his eyes.
What is this person's near point when not wearing glasses?
d1=___cm?
In experiment PH04a, for the resistors in parallel circuit configuration, if we added to the circuit two additional parallel legs with each leg having a single 50 Ohm resistor
A person's body is producing energy internally due to metabolic processes. What is the temperature of the coldest room in which this person could stand and not experience a drop in body temperature
A ship sets out to sail to a point 141km due north. An unexpected storm blows the ship to a point 138 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive an..
A major-league pitcher can throw a ball in excess of 41.5 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release
A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. calculate the work done on the bag
A tank having a volume of 0.100 m3 contains helium gas at 135 atm. How many balloons can the tank blow up
Three astronauts, propelled by jet backpacks, push and guide a 114 kg asteroid toward a processing dock, exerting the forces, with F1 = 32 N, F2 = 52 N, F3 = 39 N, θ1 = 30°, and θ3 = 60°. What is the (a) magnitude and (b) angle (measured relative ..
A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 5.0 x 10^6 g at a distance of 4.00cm from the axis. What angular velocity in rev/min is necessary.
question1heather and mathew walk eastward with a speed of 0.76 ms east. if it takes them 50 minutes to walk to a store
Estimate the kinetic energy of the Mars with respect to the Sun as the sum of the teerms, that sue to its daily rotation about its axis
Express your answers using two significant figures. Enter the x and y coordinates of the charge separated by a comma.
As part of a carnival game, a 0.578-kg ball is thrown at a stack of 17.8-cm tall, 0.383-kg objects and hits with a perfectly horizontal velocity of 12.8 m/s. what is the moment of inertia of the object about its center of mass
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