If Luis pulls straight down on the end of a wrench that is tilted θ = 30∘ above the horizontal and is r = 29 cm long, what force must he apply to exert a torque of -17 N⋅m ?

An object is located 30.0 cm from a concave mirror. the focal length is 15.0 c,. what is the image distance? a. 30.0 cm b. -10 cm c. 10.0 cm d. -30.0 cm

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

What is the magnitude of the resultant vector round your answer to the nearest tenth