What is the speed of a 1200 kg car moving

with a kinetic energy of 15 kJ?

What is an example of transverse waves? sound waves waves in a spring light waves nextreset?

How is an electromagnet formed?

Aristotle, the ancient Greek philosopher, thought that heavy objects fall to Earth faster than lighter objects. How could Aristotle's hypothesis be supported or disproved?

Name one physical change that occur when a candle burns

The equation for density is mass divivded by volume. an increase in denstiy can result from all of following expect?

Show that the units N/kg can be written using only units of meters (m) and second (s). Is this a unit of mass, acceleration or force.

How do the sun energy flow through the earth system

Which are precautions to take when working with heat and fire?

What are 4 types of motion

What is the value of the charge that experiences a force of 2.4 * 10-3 N in an electric field of 6.8 * 10-5 N/C? A. 1.6 * 10-7 C B. 2.5 * 10-3 C C. 2.8 * 10-3 C D. 3.5 * 101 C