You go out for a burger with some friends. At the restaurant the waiter serves you your burger on a plate. You pick up the burger with your hand and lift it to your mouth. This action requires about ________ of work
1.0.1 joules
2.1 joule
3.10 joules
4.100 joules
2
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The atmospheric pressure on Venus
A) shows an extreme change with the seasons. B) is much lower than on Earth. C) is about the same as on Mercury. D) is much higher than on Earth. E) causes variations in surface temperature.
Compared to clocks in a stationary reference frame, clocks in a moving reference frame run
A) slower. B) faster. C) at the same rate.
A bucket of water with total mass 20.0 kg is attached to a rope, which in turn is wound around a 4.00-cm radius cylinder at the top of a well. The bucket is raised to the top of the well and released. The bucket is moving with a speed of 8.00 m/s upon hitting the water surface in the well. What is the angular speed of the cylinder at this instant?
a. 64.0 rad/s b. 50.3 rad/s c. 200 rad/s d. 126 rad/s e. 393 rad/s
Triesters of long-chain acids with glycerol are called
a. condensation polymers. b. fats. c. soaps. d. synthetic detergents.