Bullet strikes a block of wood and penetrates
A rifle with a barrel length of 63 cm fires a 12 g bullet with a horizontal speed of 450 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 15 cm.
How long does it take the bullet to come to rest?
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A 70-g ball collides elastically with a 320-g ball that is at rest. If the 70-g ball was traveling in the positive x-direction at 5.75 m/s before the collision, what are the velocities of the two balls after the collision?
If someone made the below statements to you, how would you explain that the statements are misconceptions? Include whether you think most Americans believe these misconceptions, and why or why not. Asian Americans and Pacific Islanders are a mo
A solid piece of copper and a solid piece of aluminum have the same mass. If the density of copper is 8.9 grams/cm3 and the denity of aluminum is 2.7 grams/cm3,
A pendulum of length 130 cm swings with an amplitude of 2.3 cm. Its mechanical energy is 5.2 mJ. What is the mechanical energy of the same pendulum when it swings with an amplitude of 4.4 cm? Answer is in mJ
How much time does she have to run the last 1750 m? (b) What should be her average speed over the last 1750 m in order to finish with an overall average speed of 3.85 m/s?
Philosophers that historically relate to the beginnings of psychology?
What is the difference between potassium nitrate solubility and sodium chloride solubility?
The disk will slide off the turntable if it is located at a radius larger than 18 cm from the axis of rotation. What is the coefficient of static friction?
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