Regents/Bio
Feedback systems help the body maintain
Dynamic Equilibrium or homeostasis
What type of charges do polar covalent bonds have?
Partial charges
A plane has an applied force of 670N, with Air Resistance acting in the opposite direction with a force of 423N. What is the total net force and motion?
247N with a constant acceleration to the right.
Calculate the potential energy of a rock sitting atop a 62m hill with a mass of 30kg.
18,600J
What is Mr. Liu's favorite food?
Sushi
Describes the energy levels through an exothermic reaction
As heat energy is released, reactants start with a higher energy and end with a lower energy levels
That plane with a net force of 247 newtons has an acceleration of 23m/s2. What is it's mass?
10.7kg
Calculate the work done if 45N of force were used to move an object a total distance of 3m.
135J
What type of fish is nemo from finding nemo?
A Clown Fish
Lungs and the windpipe are most likely part of the _______ system
Respiratory
An object with a negative acceleration must mean..
The object is moving in the negative direction
How is an electric current produced?
A magnetic coil spinning in a magnetic field
Noah's fastball reaches a final velocity of 30m/s and has a mass of 5kg. Calculate the KE of the ball.
2250J
Is Cereal a soup?
If you said yes you're weird
The water diffused into the membrane
What is the distance covered by a skydiver after 10 seconds if acceleration due to gravity is 10m/s2
500
A = top of a building
B= Middle of the Building
C = Floor
Which has most PE? Which Has most KE?
Most PE at A and most KE at C.
Final Velocity of Fastball = 30m/s and Initial velocity = 0m/s. How far did Noah's fastball travel in 6 seconds?
90m.
Which scholar has the most consequences Year to Date?
Ebrima Jarju
Why does our heart rate increase when we exercise?
To produce more oxygen for organs and regulate blood pressure throughout the body
Describe what causes an element to be more reactive than others? What is the most reactive element on the periodic table?
Lower Ionization Energy = more likely to give up electrons.
Fr
Draw the velocity time graph for: An object moving increasing at a constant velocity, staying at a constant velocity and then increasing it's velocity for a short time until starting to slow down again
On the board
The PE of a ball on top of a building is 560N. The ball has a mass of 30kg.The ball is thrown off of the building. What is it's velocity as it hits the ground?
6.1m/s
How many different flavors are there in a box of fruit loops?
1 they're all the same