Question 1 (1 point)
What determines how much kinetic energy an object has?
Quest...
Physics, 14.02.2020 16:32, alexisozl9253
Question 1 (1 point)
What determines how much kinetic energy an object has?
Question 1 options:
Only mass
only speed
Height and mass
Mass and speed/velocity
Question 2 (2 points)
Choose the best answer to fill in the blank:
Any moving object has energy
Question 2 options:
kinetic
potential
gravitational potential
Question 3 (2 points)
If they are traveling at the same speed, which will have the most kinetic energy?
Question 3 options:
A 5 kilogram ball
A 25 kilogram ball
A 10 kilogram ball
A 1 kilogram ball
Question 4 (1 point)
Assuming there is not friction or air resistance, which of the following is true about total mechanical energy of a swinging pendulum?
Question 4 options:
It is the greatest at the top
It remains constant throughout the entire swing
It is zero the entire time
It is the greatest at the bottom
Question 5 (2 points)
Choose the best answer to fill in the blank:
is stored energy
Question 5 options:
Potential energy
Kinetic energy
Question 6 (2 points)
At which point on the track would the roller coaster train have the most gravitational potential energy?
Question 6 options:
A, at the top of the highest hill
B, at the lowest point of the track
C, at the top of the second hill
D, at a middle height in the track
Answers: 1
Physics, 21.06.2019 16:30, nyce36
You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.
Answers: 1
Physics, 22.06.2019 09:30, tsvijay121
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
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Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
Answers: 2
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