Physics, 25.11.2020 16:40, jjackson0010
When a 3.0-kg block is pushed against a massless spring of force constant constant 4.5\times 10^3~\text{N/m}4.5×10 3 N/m, the spring is compressed 8.0 cm. The block is released, and it slides 2.0 m (from the point at which it is released) across a horizontal surface before friction stops it. What is the coefficient of kinetic friction between the block and the surface?
Answers: 1
Physics, 22.06.2019 12:30, shanicar33500
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground. what is his gravitational potential energy above the ground?
Answers: 1
Physics, 22.06.2019 17:30, funnybugy16
How does the entropy of steam compare to the entropy of ice?
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Physics, 22.06.2019 23:30, sksksjs
1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?
Answers: 3
When a 3.0-kg block is pushed against a massless spring of force constant constant 4.5\times 10^3~\t...
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