A parachute decreases the terminal velocity of a skydiver by increasing air resistance.
A parachute decreases the terminal velocity of a skydiver.
Terminal velocity is the maximum velocity an object can reach while falling through a fluid, such as air. When a skydiver jumps out of a plane, initially they accelerate due to the force of gravity. As they gain speed, the air resistance or drag force acting against them increases. Eventually, the drag force becomes equal in magnitude to the force of gravity, causing the skydiver to reach a constant velocity - the terminal velocity.
When a parachute is deployed, it increases the surface area that is exposed to air resistance. This creates a larger drag force, which slows down the motion of the skydiver. As a result, the skydiver's terminal velocity decreases, allowing them to descend more slowly and safely to the ground.
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b. 9.8 meters per minute
c. 8.9 meters per minute squared
d. 9.8 meters per second squared
Answer:
9.8 meters per second squared
Explanation:
causes Earth's high and low tides
causes surface currents to move in circular paths
is caused by the gravitational pull of the moon
Answer:
causes surface currents to move in circular paths
Explanation:
Coriolis force is a pseudo force that acts on an object which is in motion in a rotating frame of reference. The Coriolis effect causes the winds to move in circular path due to rotation of Earth. In Northern hemisphere, the surface currents rotate counterclockwise and in southern hemisphere, the currents rotate clockwise.
B. Hold and feed the infant while you supervise the activity of the older children.
C. Have the older two children continue the project on their own while you feed the infant in a separate room.
D. Prop the infant's bottle in the crib so he or she can eat while you continue to help the older children
Answer: B. Hold and feed the infant while you supervise the activity of the older children.
Explanation: On one side, a two-month-old is too young to understand that he has to wait until you finish with your other activities so you are free to feed him. His needs are urgent. Of course he is also too young to take the bottle on his own. These are the reason why options A and D are incorrect. On the other side, the other two children also need your supervision. You have to take care of them and leave them alone is not a good option. This is why option C is incorrect. Taking all these things into account I find option B as the best answer.