If the average force exerted by peristalsis is 0.14 N, how much work does the small intestine do to move food along its entire length? Express your answer to two significant figures and include appropriate units.

Sarah roller skates for 3 hours with a constant speed of 18mph and then for another 1 hour with a constant speed of 12mph. What distance did she go?

Why an object with a smaller mass has a larger acceleration than a larger mass if the same force acts on each?

The speed of a wave changes depending on the temperature of the medium. What do you think is the reason for this?

A fly is call inside a car that is moving in the positive direction with constant velocity. The fly flies with a constant velocity from the front seat to the backseat. Which is correct? A.

Juan lives 100 m away from Bill. What is Juan's averege speed if he reaches Bill's home in 50 s?

What topic in a biology textbook is directly related to physics

A soccer ball player bounces the ball off her head, changing the velocity of the ball. She changes the x-component of the velocity of the ball from vix = 7.9 m/s to vfx = 5.9 m/s and the y-component from viy = - 3.4 m/s to vfy = 4.5 m/s.

Do you think an observer on another planet in the solar system might see eclipses

A. A vector is any element of a vector space. Is this statement true or false? A. True by the definition of a vector space B. False; not all vectors are elements of a vector space. C. False; a vector space is any element of a vector.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next