Physics, 27.12.2019 06:31 kierafisher05
A0.02kg dart is loaded into a toy spring gun by compressing the spring 6cm. if the spring has a constant of 20 n/m, find… a. the work needed to compress the spring. (0.036 j) b. the total energy stored in the compressed spring. (0.036 j) c. the kinetic energy of the dart as it leaves the gun. (0.036 j) d. the speed of the dart as it leaves the gun. (1.90 m/s) e. the height the dart would go if shot straight up. (0.18 m)
Answers: 2
Physics, 22.06.2019 10:30
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
Answers: 2
Physics, 22.06.2019 10:50
If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.
Answers: 3
Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
A0.02kg dart is loaded into a toy spring gun by compressing the spring 6cm. if the spring has a cons...
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