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The dimensions of the picture on a 35.0{\rm mm} color slide are x = 24.0{\rm mm} {\times}y = 36.0{\rm mm} . An image of the slide is projected onto a screen 10.0{\rm m} from the projector lens with a lens of focal length 180{\rm mm} .
A) How far is the slide from the lens? in cm
B) What are the dimensions of the image on the screen?
If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, explain how much acceleration will the other three produce?
A horizontal turntable is made from a uniform solid disk and is initially rotating with angular velocity of 7.5 rad/s about a fixed vertical axis through its center. What is the mass of the turntable
The minimum stopping distance for a car traveling at a speed of 30 {m/s} is 60 {m}, including the distance traveled during the driver's reaction time of 0.50 {s}.What is the least stopping distance for the same car traveling at a speed of 41 {m/s}..
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. What was the change in the potential energy of this charge
Define a lie in the strict or formal sense and explain what is meant by communication - what is the principal purpose of communication?
Why do magnetic field lines contract longitudinally and exert a lateral pressure?
A 12-kg box is free from the top of an incline that is 5.00m long and makes an angle of 40 degrees to the horizontal. A 60-N friction force impedes the motion of the box.
A flight attendant pulls her 63N flight bag a distance of 312m along a level airport floor at a constant velocity. The force she exerts is 39N at the angle of 59° above the horizontal.
what is the volume of an iron atom. What is the ratio of the mass density of girder A to the mass density of girder B.
An elevator is able to raise 9,800 N to a height of 37 m in 12 s, What is the elevator's power output and How much work does the elevator do
A torque of 60 Nm producing a counterclockwise rotation is applied to the wheel about its axle. A frictional torque of 10 nm acts at the axle.If the wheel is observed to accelerate at the rate of 2rad/s2 under the influence of these torques, what i..
A block of wood is held in place against a rough wall by someone pushing on it with a force directed upward at 28 degrees above the horizontal, What is the mass of the block of wood
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