What is the average speed of an object that moves 100 m in 4 seconds and then remaining at rest for 1 second?

Most motorcycles could win a drag race against most cars. Use Newton's 2nd law to explain this.

What is the purpose of the metal core in an electromagnet?

Choose the correct statements about solutions. A. A solvent is the thing being dissolved. B. Something is soluble if it is able to dissolve. C. A solute is the dissolver. D. Something is insoluble if it is unable to dissolve.

The surface area of a material is a factor that affects heat conductivity. Does heat flow faster through a large surface area or through a small surface area? Why? science

A 1.0 kg object moving at 4.5 m/s has a wavelength of: A) 1.5 * 10-34 m B) 2.9 * 10-33 m C) 7.4 * 10-35 m D) 1.4 * 10-34 m E) 2.9 * 10-34 m

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws

If you do 1000j of work on a system and remove 500j of heat from it, what is the change in its internal energy

Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 4.5 m long, its mass is 0.42 kg, and the force exerted on it by the children is 71 N.