What type of simple machine can be used to reduced the resistance force of friction?

Which term describes a rock that formed from accumulated sediments? A. igneous B. plutonic C. sedimentary D. metamorphic

Why is output voltage from a transformer zero if the current in the primary coil is a direct current?

Acceleraion - - - rae o change in velociy, which is he change in velociy divided by he change in ime or a. True b. False

What field (s) does a moving electron have? A. electric and gravitational fields B. magnetic and gravitational fields C. gravitational, electric, and magnetic fields D. electric field only

Resonance occurs in the middle of the ear true of false

Which interaction of nature binds neutrons and protons into nuclei? A. strong B. weak C. electromagnetic D. gravitational

Why does icing sugar dissolve more rapidly than granular sugar?

At t = 0 the components of a radio-controlled car's velocity are vx = 0.5 m/s and vy = 1.2 m/s. Find the components of the car's velocity at t = 4.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star