How can motion be described?

A car drives at a constant speed of 3m/s around a circle with radius 20m. What is the centripetal acceleration of the car

A particle's trajectory is described by x = (12t3-2t2) m and y = (12t2-2t) m, where t is in s. What is the particle's speed at t=0s? What is the particle's speed at t=5.0s? Express your answer using two significant figures.

Which of the following is MOST useful to scientists in measuring the size of asteroids? A) The speed at which the asteroid is traveling. B) The location of the asteroid in the Solar System.

Energy of water is also a form of solar energy. Explain.

1. What is the kinetic energy of a vehicle that has a mass of 2000.0 kg that is driving at a constant speed of 40.0 m/s? 2. What is the kinetic energy of a vehicle with a constant speed of 35.0 m/s with a mass of 4500 kg? 3.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

What is the relationship between matter and energy as it changes states of matter (phase changes?)

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False

How to solve indices

The elements in group 17 of the periodic table are called halogens. all halogens have the same?