Billy tapped the ruler and it made a funny noise. Billy heard the sound because the ruler vibrated

forth.

molecules back and

the air

his ear

the table

his finger

Two large blocks of wood are sliding toward each other on the frictionless surface of a frozen pond. Block A has mass 4.00 kg and is initially sliding east at 2.00 m/s. Block B has mass 6.00 kg and is initially sliding west at 2.50 m/s.

The decomposition a → b + c of a molecule a obeys the rate-law expression rate = 0.080 min-1 [a]. if the initial concentration of a is 0.30 m, what is the concentration after 2.6 minutes? 1. 0.028 m 2. 0.24 m 3. 0.38 m 4. 0.13 m 5. 0.32 m 0

A bubble at the bottom of the lake to the surface within 10.0 seconds what is the depth of the lake

Which step makes proteins by binding amino acids together

In what states does water appear on earth and on other planets?

A microfarad capacitor is charged via a 12v battery. there is 1 kohms resistor in series with the capacitor. how much current is flowing in the circuit after 1 second?

A wave that moves its medium parallel to its direction of travel is a

Why do i have no life, how do i get one?

Why is a ehephent so big is it just big or are we so small?

Which of the following traits might be considered an adaptation fora rabbit living in the Arctic?