Studies have shown that increased contrast in website background and text colors leads to decreased readability.
Answer the following statement true (T) or false (F)
False
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The small piston of a hydraulic lift has a diameter of 8.0 cm, and its large piston has a diameter of 40 cm. The lift raises a load of 15,000 N. (a) Determine the force that must be applied to the small piston
(b) Determine the pressure applied to the fluid in the lift.
A 600-kg car is going over a curve with a radius of 120 m that is banked at an angle of 25° with a speed of 30.0 m/s. The coefficient of static friction between the car and the road is 0.30. What is the normal force exerted by the road on the car?
A) 1590 N B) 3430 N C) 3620 N D) 7240 N E) 5330 N
Cygnus X-1 and LMC X-3 are black holes if the masses of the unseen companions are
a. less than 5 solar masses. b. more than 5 solar masses. c. between 0.4 and 1.4 solar masses. d. less than 0.4 solar masses e. not larger than the masses of the stars that we can see.
How much current will be flowing through a 40.0 m length of cylindrical metal wire with radius 0.0 mm if it is connected to a source supplying 16.0 V? The resistivity of this metal is 1.68 × 10-8 ? ? m
A) 1200 A B) 9.5 × 108 A C) 68 nA D) 710 A