A device used to measure small currents is a (n)

a.

electric motor.

b.

commutator.

c.

armature.

d.

galvanometer.

Two sinusoidal waves, which are identical except for a phase shift, travel along in the same direction. The wave equation of the resultant wave is yR (x, t) = 0.70 m sin⎛ ⎝3.00 m-1 x - 6.28 s-1 t + π/16 rad⎞ ⎠.

When a force on an object increases how does the object's acceleration change?

5) An electron gun sends out a beam of electrons whose kinetic energies are all about 57 μμeV. (1 μeV=1.6*10-25 J1 μeV=1.6*10-25 J.

How was the lunar regolith formed?

Which is correct? Evolution or Creationism?

A hydraulic lift has two pistons: a small one of cross-sectional area 5.00 cm2 and a large one of cross-sectional area 300 cm2. What minimum force must be applied to the small piston in order for the large piston to lift a truck of mass 4500 kg

What is the meaning of the phrase "grand unified theories" when applied to particle physics and cosmology?

A 26.0 kg wheel, essentially a thin hoop with radius 1.30 m, is rotating at 297 rev/min. It must be brought to a stop in 23.0 s. (a) How much work must be done to stop it? (b) What is the required average power? Give absolute values for both parts.

A net force of 200 newton's is applied to a wagon for 3 seconds. this causes the wagon to undergo a change in momentum of

Explain ways that weak and strong nuclear forces are alike.