Answers edited by Kelly L
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Does the sum of the external torques on the rigid object have to equal zero in static equilibrium?

An astronaut with a mass of #80 kg# is floating in space. If the astronaut throws a #5 kg# object at a speed of #9 m/s#, how much will his speed change by?

Question #f9bb2

How do laser pointers work?

How do stars evolve from their birth to their death?

If the universe is expanding, what is on the other side?

How can i calculate force of tension?

Question #2dfda

How does Newton's first law affect a rocket?

What is the y intercept for a line with point (1.5, 9.5) slope 0.5?

What are some examples of the principle of conservation of energy?

Question #5fe5f

What is the limit of #(x^2)(e^x)# as x goes to negative infinity?

Can impulse be decreased?

Question #8fa7d

What is a block and tackle pulley?

Question #b1481

Question #6ae2f

If I'm given 6 position vs time graphs and I need to put their average velocities and average speeds in order from greatest to least. What is the difference between the two and how do I calculate them? Please help my test is tomorrow.