Physics, 11.05.2021 17:50 Kimberlytdb
1. A bullet is moving towards a block as shown in the picture. The bullet after the collision sticks into the mass of 2 kg: (25 points)What should be the minimum speed of the bullet so the bullet and mass are lifted the height shown in the picture? Hint: Use trigonometry to find ”h” and use the conservation of momentum and energy!
Answers: 1
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?
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The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
Answers: 2
1. A bullet is moving towards a block as shown in the picture. The bullet after the collision sticks...
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