A 5 kg weight is hung from a vertical spring. The spring stretches by 5 cm. How much mass should be hung from the spring so it will stretch by 10

cm from its original length?

15 kg

25 kg

10 kg

20 kg

A windmill (wind turbine) is an example of a (n). A) generator. B) resistor. C) insulator. D) motor.

Suppose you have a 148-kg wooden crate resting on a wood floor. (a) what maximum force (in n) can you exert horizontally on the crate without moving it?

She knows that a magnesium ion has an electric field that pints away from the ion. What values should she use to complete her table

Relationship between elastic shear stress and shear strain is a) Young's modulus b) Poissons ratio c) Saint-Venant's principle d) Modulus of rigidity e) None of these

How many atoms are represented by one formula unit of aluminum sulfite, al2 (so3) 3?

An iron rod is: A:a good conductor of heat and electricity, but not magnetic B: magnetic and a good conductor of heat, but is an insulator of electricity C: magnetic and a good conductor of heat and electricity D: not magnetic and an insulator of

Which stage are there homologous chromosomes lines up down the middle of the cell

Suppose you were bungee jumping from a bridge while blowing a hand-held air horn. How would someone remaining on the bridge hear the pitch of the air horn as time increased? a. The pitch would get progressively lower (i. e., smaller frequency) b.

Area where magma from deep within the mantle melts through the crust

To obtain a learner's license, you must be at least years old.