Convert 435.5 lbs to kilograms

friction force is the opposition to the motion of surfaces sliding across each other. what is one factor that affects the amount of friction?

The multiple reflection of a single sound wave is a/an a. reverberation. b. echo. c. diffraction. d. refraction.

Which best describes what happens to sunlight after it passes through the keyhole of a door?

An object has traveled 1500 meters in 18 seconds what is its average speed?

A 4 kg bar of metal weighs about 8.8 pounds. Approximately how much does it weigh in newtons?

You pull a simple pendulum of length 0.225m to the side through an angle of 3.50∘ and release it. Part A How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be 9.80 m/s^2.

What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10m

What is the force on a 1-kg ball that is falling freely due to the pull of gravity

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays