a spring hung vertically is 20 cm long when no mass hangs from it. when a 2 kg mass is attached, the spring hangs 50 cm. what is the spring constant?
vector g is 40.3m long in a -35 direction. vector h is 63.3 m long in a 270 direction. find the direction of their vector sum
Where is the piston located when one side is filled with nitrogen n2 and the other side with the same mass of hydrogen h2 at the same temperature?.
Mrs. Tate travels in her car. She goes from mile marker 15 to 125 in 2.75 hours. What is her average speed?
A force of 25 newtons moves a box a distance of 4 meters in 5 seconds. The work done on the box is __Nm, and the power is __Nm/s. will give brainliest to whoever answers quickest
A force of 25 newtons moves a box a distance of 4 meters in 5 seconds. The work done on the box is Nm, and the power is Nm/s. pls help
A 20 kg mass is connected by a 100 meter cable to a 1000 kg car that is at rest, with its brakes off, about 100 meters from the edge of the cliff. The weight is then hung over a pulley at the edge of the cliff and released. a. What is the acceleration of the car toward the cliff? b. How long will it take the car to reach the cliff? c. How fast will the car be traveling the moment it goes over the cliff?
In part 1, the absorption readings were made at the wavelength of maximum absorption for your selected food dye solution. Explain why this wavelength was used?.
a 1125 kg car and a 2250 kg pickup truck approach a curve on a highway that has a radius of 225 m. (a) at what angle should the highway engineer bank this curve so that vehicles traveling at 65 mph can safely round it regardless of the condition of their tires?
what is isostasy, and what does it indicate about a floating object that has a weight added or removed?
when a soaring falcon turns during its flight, what is the source of the centripetal force acting on it?
write a general expression for the magnitude of the angular velocity of the disk after the acceleration in terms of the frequency.
if i turn my car on without starting the engine, can i run both of the seat warmers and also the electric rear window defroster without running the engine?
how does the bending of light combined with the doppler effect and the aberration of light affect the appearance of an accretion disk close to a black hole?
when giving a rescue breath, you should: a. blow hard and fast. b. blow in for about 1 second and make the chest clearly rise. c. give a breath that lasts for several seconds. d. blow harder if the chest does not rise.
suppose the sun shrunk from its current diameter to 1/10 its current diameter, but its mass remained the same. what would happen to the earth's orbit?
