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(a) If you jump out of an airplane without a parachute, you fall faster and faster until air resistance causes you to approach a steady velocity, called the terminal velocity. Sketch a graph of your velocity against time.
(b) Explain the concavity of your graph.
(c) Assuming air resistance to be negligible at t = 0, what natural phenomenon is represented by the slope of the graph at t = 0?
Two masses, m1 and m2 are connected by a cord and hang straight down from either side of a light frictionless pulley. What is the acceleration of the system
Transverse waves with a speed of 53.5 m/s are to be produced on a stretched string. A 4.35-m length of string with a total mass of 0.0600 kg is used. What is the required tension in the string
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter, Find the power consumed by the air filter
Two rocket ships travel in the same direction with a relative speed of .98c. a light pulse is fired from the back of one of the ships to the front of the same ship of length deltaX=20m.
A motorcycle accelerates uniformly from rest and reaches a linear speed of 28.6 m/s in a time of 11.9 s. Find the magnitude of the angular acceleration of each tire
A thin film with index of refraction n = 1.49 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. What is the film thickness
A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.40 s. What is the friction force acting on the bag
Two converging lenses, each of focal length 13.4 cm, are placed 62.8 cm apart, Where is the final image relative to the second lens formed
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?
While messing around with billiard balls, you roll the 8-ball into another ball of the same mass and initially at rest. After the collision, Find the original speed of the cue ball
How long are the electrons in flight? Find the vertical distance the electrons fall (under the influence of gravity) during their flight. (Correct answers will receive thumbs up)
An 82 kg man drops from rest on the diving board 3 m above the surface of the water and comes to rest 0.55 s after reaching the water. What force does the water exert on him.
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