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A poorly tuned Yugo can accelerate from rest to a speedof 28 m/s in 20 s.
a) What is the average acceleration of the car?
b) What distance does it travel in this time?
c) how do I construct a velocity vs. time graph for this?
What is the range of frequency of the light emitted by the hydrogen atom
The engine of a motorboat delivers 29.8 kw to the propeller while the boat is moving at 18.0 m/s . What would be the tension in the towline
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A planoconcave lens (n = 1.52) has a focal length of -24.6cm. What is the radius of the concave surface
The force required to stretch a Hooke's-law spring varies from 0 N to 76.4 N as we stretch the spring by moving one end 14.6 cm from its unstressed position. Find the work done in stretching the spring
A proton (mass 1.67 10 ) is moving at 1.65 10 directly toward a stationary helium nucleus (mass 6.64 10 ). After a head-on elastic collision, what is the proton's velocity?
An engine develops an output of 117 hp when rotating at 2300 rpm. Compute the output torque
In an experiment, 200 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 48.0 g of water (4186 J/kg·K) at 20°C, What is the entropy change of the aluminum
A ball and a thin plate are made from different materials and have the same initial temperature. The ball does not fit through a hole in the plate, At what temperature will the ball fall through the hole in each arrangement
A string has a linear density of 6.80 10-3 kg/m and is under a tension of 345 N. Determine the wavelength of the traveling wave
A 1.90 × 102-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. How far is the pivot from the sculpture\'s center of mass
A "swing" ride at a carnival consists of chairs that are swung in a circle by L = 14.2 m cables attached at an angle of ? = 62.7° to a vertical rotating pole. Calculate the tension in the cable attached to the chair
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