Answer: A door 1.00 m wide and 2.00 m high weighs 280 N

College Physics 1
Problem 40PE (a) A world record was set for the mens 100-m dash in the 2008 Olympic Games in Beijing by Usain Bolt of Jamaica. Bolt coasted across the finish line with a time of 9.69 s. If we assume that Bolt accelerated for 3.00 s to reach his maximum speed, and maintained that speed for the rest

Principles of General Chemistry 2
Write the full ground-state electron configuration for each: (a) Rb (b) Ge (c) Ar

Anatomy & Physiology 1
Which muscle has a convergent pattern of fascicles? a. biceps brachii b. gluteus maximus c. pectoralis major d. rectus femoris

Anatomy & Physiology 1
Iodide ions cross from the bloodstream into follicle cells via ________. a. simple diffusion b. facilitated diffusion c. active transport d. osmosis

Organic Chemistry 8
Write a mechanism for each of the following reactions: a. the uncatalyzed hydrolysis of methyl propionate. b. the aminolysis of phenyl formate, using methylamine.

Principles of Economics 9
In the model of aggregate demand and aggregate supply, the quantity of _________ is on the horizontal axis, and the _________ is on the vertical axis. a. output; interest rate b. output; price level c. money; interest rate d. money; price level

Chemistry for today : general, organic, and biochemistry 9
Write balanced equations to represent decay reactions of the following isotopes. The decay process or daughter isotope is given in parentheses. a. \({ }_{63}^{157} \mathrm{Eu}\) (beta emission) b. \({ }_{78}^{190} \mathrm{Pt}\) (daughter = osmium - 186) c. \({ }_{62}^{138} \mathrm{Sm}\) (

Biochemistry 9
Identify the following by describing their functions: EF-G, EF-Tu, EF-Ts, EF-P, and peptidyl transferase.