Top of the window the windowsill
A flower pot fell of a windowsill and falls past the window below. you may ignore air resistance. it takes the pot .470s to pass the window, which is 1.80m hight. how far is the top of the window below the windowsill from w/c the flower pot fell?
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Two canoes are 10m apart on a lake. Each bobs up and down with a period of 8 seconds. When one canoe is at its highest point, the other canoe is at its lowest point. Both canoes are within a single cycle of the waves. Determine the speed of the wa
A proton is initially at rest at a point where the potential is 472 V. Some time later the proton is at a point where the potential is 190 V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy ?
After falling from rest from a height of 33 m, a 0.55-kg ball rebounds upward, reaching a height of 23 m. If the contact between ball and ground lasted 2.1 ms, what average force was exerted on the ball?
Sunlight incident on a screen containing two long narrow slits 0.2mm apart casts a pattern on a white sheet of paper 2m beyond. What is the distance (in mm) separating the violet (lambda = 400nm) in the first-order band from the red (lambda = 600n
A highway curve has a radius of 125 m. At what angle should the road be banked so that a car traveling at 27.4 m/s has no tendency to skid sideways on the road?
A small object with a mass of 330 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 2.00 cm. If the thread makes an angle of 14.0° with the vertic
A 2100 kg car traveling to the right at 32 m/s is chasing a second car of the same mass that is traveling to the right at 10 m/s.
It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is its the mass of the ball?
At one point in its orbits it is 250x10^6km from the star and is moving at 35km/s. calculate the semimajor axis of the planet's orbit.
A rock with a mass of 6.0kg is being whirled in a horizontal circle on the end of a rope 1.6m long. if the seed of the rock is 2.7 m/s, what is the magnitude of the centripetal acceleration?
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