Period!
Amplitude = 3.00m
time = 1.5s
Displacement = 1.63m
Period = 2.00s, Find Maximum Acceleration
2 Decimal Places with Label
3x(2🥧2)^2 = 29.61 m/s^2
+ 700PTS
What is the formula, for change in displacement class!!?
Delta x = x2 - x1
+200PTS
50•cos(20) = 46.98N
+800PTS!
Express Angular Frequency in two formula involving Frequency and Period
2(pi)f and 2(pi) over T
-200 PTS
As velocity increases, momentum ____
Increases
+150 PTS
________ differences can amplify or cancel vibrations.
Phase (Phi)
CORRECT BUT…
-300PTS
TWO QUESTIONS, TWO ANSWERS!
A. What is the rate at which velocity changes?
B. Velocity:Vector;______;Scalar
A. Acceleration!
B. Speed!
CORRECT BUT…
-400PTS
While the Law of Inertia states that F=0
What does the Law of Acceleration state?
F = ma
+150 PTS
A vouger dancer spins and sticks their hand out to slow down and stop for their deathdrop, what is the property that helped him resist change.
Moment of Inertia
+ 300 PTS
With constant force, what happens to torque when moment arm is increased?
Increased
+150 PTS
Find Velocity (SHM) A = 1.00m, Angular Frequency = 0.50rad/s, time = 0.20s
Express in 2 Decimal Places, Scientific Notation, and Label
-4.99x10^-2
CORRECT BUT…
-500 PTS sawrry
What does the DELTA symbol or the triangle represent in the velocity formula:
v = delta of x
——————
delta of t
Any of the two answers:
Change or Difference
+450PTS
What law of motion states that when a heavy car at rest and a lighter car at rest moves, the heavier car will have a slower acceleration.
Law of Acceleration
+250PTS
What is the NAME of the symbol used for Angular Velocity and Angular Frequency?
Omega
CORRECT BUT…
-100 PTS Sawrry
An object is thrown, what is the amount of force needed to stop the momentum when time is increased at constant impulse. (equal, high, low, can’t be determined)
+50 PTS
Calculate for the displacement (SHM) at 1.50s with an Amplitude of 6meters, and an Angular Frequency of 3rad/s.
Express in 2 decimal places and label.
-1.26m
+500PTS!
It is the rate at which acceleration changes
Jerk
+300 PTS
Complete the full statement:
Newtons Law States that…
for every action, there is an equal and opposite reaction.
+800PTS
Complete the sentence:
With a constant angular velocity, a skater with their hands out has a higher moment of inertia, therefore has higher _________ compared to a skater with hands tucked in.
Angular Momentum
CORRECT BUT…
-100 PTS
Constant
+100 PTSWhat is k in Hooke’s Law? where
F = -kx
Force/Spring Constant
+250PTS
Calculate the velocity of an object that moved 3000km over 180 minutes, express answers in two decimal places and in km/h.
1000km/h
+200PTS
Equilibrium:Law of Inertia
Non-Equilibrium:________
Law of Acceleration
+300 PTS
SI unit of angular displacemetn is…
Radians
+100 PTS
Express the statement “Impulse is equal to the change in momentum” in a formula
F(delta)t = m(delta)v
FAt = mAv (only acceptable if delta triangle)
+400 PTS