How is momentum conserved when the big rolling ball hits the smaller rolling ball

A newly completed highway has a curve with a radius of 130 m and is banked at an angle of 24.8 degrees. What is the maximum speed that a minivan can have and still follow the curve safely under very icy conditions?

A 20 kg child is on a swing that hangs from 3.0-m-long chains. what is her maximum speed if she swings out to a 45° angle?

What would you do to decrease the resistance in a circuit?

What must you do before you make a hypothesis? a) Run the experiment b) Research information about your question. c) Form a theory. d) Draw conclusions

In which situation is no work considered tone be done by a force? A) when the angle between the force and displacement is 180° B) when the angle between the force and displacement is 90° C) when the angle between the force and displacement is 45° D)

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?

An accelerating voltage

A speck of dust on a spinning dvd has a centripetal accelera - tion of 20 m/s2. a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk? b.

An object travels 8 meters in the first second of travel, 8 meters again during the second second of travel, and 8 meters again during the third second. Its acceleration is A. 0 m/s^2 B. 8 m/s^2 C. 16 m/s^2 D. 32 m/s^2

Why does life be life