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A 2.0 mm tall object is 20.0 cm to the left of a diverging lens that has a focal length of f= -30.0 cm.
a) where is the image located (left or right and how far)?
b) is the image real or virtual?
c) is it inverted or upright?
d) how tall is the image?
What must the charge (sign and magnitude) of the particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C.
A system expands by 0.68m3 at a constant pressure of 126kPa, Find the heat that flows into or out of the system if its internal energy decreases by 1850J
The spring is aligned with the plane and has a spring constant of 133 N/m. Explain how much does the spring stretch?
A loudspeaker of mass 24.0 {rm kg} is suspended a distance of h = 1.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.70 {rm m}.
A car traveling at 24 m/s runs out of gas while traveling up a 9 degree slope. How far will it coast before starting to roll back down.
A superhero flies 147 m from the top of a tall building at the angle of 33 degrees below the horizontal. What is the vertical component of the superhero's displacement.
An 18 g rifle bullet traveling 210 m/s buries itself in a 3.9kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. find the vertical and horizontal components of the pendulum's displacement.
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.10 x 105 m/s. What is the distance of closest approach?
A uniform magnetic field of 0.50 T is directed along the positive x axis. A proton moving with the speed of 60 km/s enters this field. The helical path followed by the proton shown has a pitch of 5.0 mm. find the angle between the magnetic field an..
Two shoppers walk from the door of mall to their car, that is 250m down a lane of cars and then turn 90 degrees to the right and walk an additional 60m what is the magnitude of the displacement of the shopper's car from mall door.
The leg and cast weigh 200 N, with the center of mass as indicated by the blue arrow. The counterbalance w1 weighs 110 N. find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
A ball is shot from the ground into the air. At a height of 10.60 m, the velocity is observed to be v = (8.60 m/s) i + (6.50 m/s) j
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