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A speeder passes a parked police car at a constant speed of 34.9 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.29 m/s. How far does the car travel before being overtaken by the police car?
The time it takes for this to happen is 30.48 s.
A kayaker needs to paddle north across a 100m wide harbor. The tide is going out, creating a tidal current that flows east at 2 m/s. The kayaker can paddle with a speed of 3 m/s.
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object
There are three masses m1 = 2.0 kg, m2 = 5.0 kg and m3 = 7.0 kg. The mass are all affixed to a massless rod of length 15cm. m1, Calculate the center of mass of the system
What is a density of the block
A 20-m long spacecraft is passing by earth at 0.8c. What is the length of the spacecraft measured within the moving (spacecraft) referencee frame
An electron is accelerated from rest through a potential difference that has a magnitude of1.65 107 V. what is the relativistic kinetic energy (in joules) of the electron
q1. helium he a monatomic gas fills a 0.009 m3 container. the pressure of the gas is 6.00 105 pa. how long would a 0.25
A 5.00-g bullet is fired into a 900-g block of wood suspended as a ballistic pendulum. What was the kinetic energy of the bullet
question1a horizontal 800-n merry-go-round of radius 1.20 m is started from rest by a constant horizontal force of 45 n
A 400 N stun pilot who has been driving his fighter plane vertically pulls out of the dive by changing her course to a circle in a vertical plane. what is the apparent weight of the pilot at the lowest point
Two protons are moving directly toward one another, When they are very far apart, their initial speeds are 2.77 106 m/s. What is the distance of closest approach
A horizontal force of 5.0 N accelerates a 4.0 kg mass, from rest, at a rate of .50 m/s squared in the positive direction. What friction force acts on the mass
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