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Question:
A student walks 24 m from her math class and then turns 90° and walks 10 m to her locker, which is directly north of her class. What is her total displacement?
A standing passenger travels the length of a moving escalator in t1 = 1 min. How much time will it take for the passenger to walk the length of a moving escalator
The projection lens in a certain slide projector is a single thin lens. A slide 24.9 millimeter high is to be projected therefore that its image fills a screen 1.79 meter high. Evaluate the focal length of the projection lens
Calculate the amount of work (in electron-volts) it would take to move an electron from 11.6 to 13.4 away from a +3.50 point charge.
An object weighs 277 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 221 N. When it is immersed in oil, it weighs 257 N.
When a mass of 7.15 kg is attached to the spring, the spring stretches by 0.0105 m. Calculate the kinetic energy the mass possesses
A point charge q of mass m is held a distance from an infinite grounded conducting plane. There is no gravitation. When released, the charge starts to move toward the plane. What is the charge velocity when it hits the plane?
While running, a man dissipates about 0.502 Joule of mechanical energy per step per kilogram of body mass. determine how fast is the man running
A soccer ball, which has a circumference of 70.0 centimeter, rolls 14.0 yards in 3.35 second. Obtain the average angular speed of the ball during this time
Examine whether it is reasonable to ignore the effects of gravity for each particle. Evaluate the paths travelled by electron and proton and explain the differences.
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.11kg, and the wedge has a mass of 5.39 kg. The ball is moving the speed of v = 4.45m/s when it strikes the wedge, which is initially at rest.
A simple pendulum is 9.00 m long. What is its period if the elevator is accelerating downward at9.00 m/s2
a rail gun is constructed by connecting two parallel 1.0-m long conducting rails immersed in a magnetic field to a
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