Which mechanical advantage would be most effective when using a lever?

A. 0.8

B. 1

C. 2.4

D. 1.6

In which situation is chemical energy being converted to another form of energy?

The mRNA codon CCU could mutate to?

A canoe is floating downriver at a speed of 2.2 m/s. It has a momentum of 83.6 kg. m/s. What is the mass of the canoe?

12. An object accelerates 16.3 m/s2 when a force of 4.6 newtons is applied to it. What is the mass of the object?

Two liquid samples are poured into a beaker. As shown, the liquids don't mix with each other but form layers instead. Which of these statements about the two liquids is correct? A. they have the same mass B. they have the same density C.

What force keeps our atmosphere from floating out into space? heat water gravity outgassing

a subsrance has an atomic number of 80. How many protons and electrons do atoms of the substance have? what is the subsance?

Ideal meters problem. What internal resistance is ideal for a voltmeter? What internal resistance is ideal for an ammeter?

numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is required to raise it by 200 celsius

Psychologists avoid studying emotions because they have little impact on behavior T F