When you blow some air above the upper face of a paper strip, the paper rises. This occurs because
A) the air above the upper face of the paper moves faster, which makes the pressure lower than at the lower face.
B) the air above the upper face of the paper moves faster, which makes the pressure higher than at the lower face.
C) the air above the upper face of the paper moves slower, which makes the pressure lower than at the lower face.
D) the air above the upper face of the paper moves faster but the pressure remains constant.
E) the air above the upper face of the paper moves slower, which makes the pressure higher than at the lower face.
Question 2
Two objects, one of mass m and the other of mass 2 m, are dropped from the top of a building. When they hit the ground:
A) both will have the same kinetic energy.
B) the heavier one will have twice the kinetic energy of the lighter one.
C) the heavier one will have four times the kinetic energy of the lighter one.
D) the heavier one will have half the kinetic energy of the lighter one.
E) the heavier one will have one-fourth the kinetic energy of the lighter one.
The face of a caterpillar with the mouthparts showing
Hiatal hernia. (a) The hernia occurs when the stomach protrudes through the diaphragm and into the t
Fusiform Face Area and Autism
a) Face the direction of your stroke. b) Avoid facing away from your stroke.
Cutting Strip Loin Steaks (1 of 5)
The Upper (A) and Lower (B) Respiratory Tracts (1 of 2)