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How many joules of potential energy does 1.5-kg book gain when it is elevated 2 m? when it is elevated 4 m(let g= 10 N/kg)calculated the number of joules of kinetic energy a 1-kg parrot has when it flies at 6m/s.
A 2.36 kg mass with an initial velocity of v1 = aˆi, where a = 5.75 m/s collides with, Find the final speed of the composite mass
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
Imagine a "free" electron and a "free" proton held midway between the plates of a charged equivalent plate capacitor. When released, how do their accelerations and directions travel compare.
A merry go round at a children's playground can be approximated as a uniform circular disc with a diameter of 3.72 m and a mass of 288 kg. A constant force of 178 N is applied perpendicular to the outer edge of the merrygoround. How long does it t..
Five clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table.
a bathyshpere dives to a depth of 1000 m in the ocean. if the inside is maintained at one atmosphere, what is the net force acting on the round window
Find out the friction force on the box
What pressure is acting on the walls of drum
A 2.0 cm tall candle flame is 1.8 cm from a wall. You happen to have a lens with a focal length of 36 cm . 1. How many places can you put the lens
Light is reflected from a glass coffee table. When the angle of incidence is 50.0°, What is the index of refraction of the glass
Charges of 3.00 nC, -2.00 nC, -7.00 nC, and 1.00 nC are contained inside a rectangular box with length 1.00 m, What is the electric flux through the surface of the box
A 15.0 m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60.0 angle with the horizontal. Find out the horizontal and vertical forces the ground exerts on the base of the ladder when an 800 N fire-fighter is 4.00m f..
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