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A spring with constantk = 40 N/m is at thebase of a frictionless, 30 inclined plane. A 0.5 kg blockis pressed against the spring, compressing it to 0.2m from its equilibrium position. The block is then released. If the block is not attached tothe spring, how far does it go up the incline before it stops?
The bunchberry flower has the fastest-moving parts ever seen in a plant.at first , the stamen are held by the petals in a bent position, storing elastic energy like a coiled spring.
assume that the earth is a uniform density spherical mass. this assumption is not correct but we will use it for
A certain solid-propellant model rocket engine releases a total of 6000 J as it burns. what fraction of the chemical energy released by the engine is wasted in the form of thermal energy in the air
The wavelength of light from a monochromatic source is measured to be 6.80 X 10^-7 m. What color would you observe
An airplane flies 200 km due west from city A to city B and after that 295 km in the direction of 26.5° north of west from city B to city C.
A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun... How many revolutions does the e..
A 94-kg fullback is running at 3.7m/s to the east and is stopped in 0.85 s by a head-on tackle by a tackler running due west. Calculate the original momentum of the fullback
The step-down transformer in a local neighborhood reduces the voltage from a 7,200 V line to 120 V. What are the power input and output
two unknown charges attract each other with a force of 4.0 n when they are 4.1 m apart. find the force in n between
A student in a parked car honks the horn, which has a `proper' frequency of 310 Hz. Calculate the speed of the approaching vehicle
A 7.0 kg block hangs from a spring, extending it 22 cm from its unstretched position. what is its period of oscillation
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