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1. A cannon ball is shot straight up with an initial speed of 98.1 meters per seconds.
.How long does the cannon ball remain in the air?
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Cliffs 0 Physics
Name:
1. A projectile is fired horizontally from a gun that is 45 m above flat ground, emerging from the gun
with a speed of 250 m/s.
3. How long does the projectile remain in the air?
b. At what horizontal distance frorgthe ring point do
Free Fall Kinematics Review: Solutions
1. a. Since the student walks 100 m east and then turns around and walks 100 m west (opposite direction) they end
where they start and thus have zero displacement
=
b. =
0
=
=0
70
=
200
70
= 2.86 /
2. In this pro
Ready, Aim. FF." J!
A Name:
1. During a free kick a soccer player strikes the ball, providing an initial velocity of 33.53 meters per
second. The ball is kicked at an angle of 17.3 degrees with respect to the horizontal.
g 7 a. Sketch the path of the socc
Linear Motion Graphing Review
Base your answers to questions 1-4 on the graph below, which is a velocity
versus time graph for an object moving in a straight line.
Base your answers to questions 5 10 on the graph below, which
represents the relationship b
Name_
HW 24 Conservation of Momentum
Period_
Regents Physics Mr. Jiang
1. Cart A has a mass of 2 kilograms and a speed of 3 meters per second. Cart B has a mass of 3 kilograms and a speed of
2 meters per second.
Compared to the inertia and magnitude of mo
20
Name:_
Score:
Regents Physics
Worksheet 2.2.3 Circular Motion (20 points)
Show all work multiple choice answers MUST be proven for full credit!
1.
4
An aircraft with a mass of 3.0 x 10 kilograms makes turn
with a 1.2 kilometer radius while traveling at
Name_
HW 18
Period_
Regents Physics Mr. Jiang
1) A student wishes to push a 10 kg wooden crate across a wood floor. What is the minimum horizontal force that
would be required to start the crate moving?
2) What is the magnitude of the force needed to keep
Name_
Period_
HW 15
Regents Physics Mr. Jiang
Show Calculations if needed!
1. The greatest increase in the inertia of an object would be produced by increasing the
A)
mass of the object from 1.0 kg to 2.0 kg
B)
net force applied to the object from 1.0 N t
Name_
Period_
HW 21
Regents Physics Mr. Jiang
1. The diagram shows two bowling balls, A and B, each having a mass of 7.00 kilograms, placed 2.00 meters apart.
What is the magnitude of the gravitational force exerted by ball A on ball B?
A)
8.17 109 N
B)
1
Muslim Achievements
Society
a. Urban Centers-infrastructure building projects to benefit the public
roads, bridges, sewers, water, walls for protection
Damuscus: Umayyad capital
Bahgdad: Abbasid capital
Cairo- Fatimid Capital
b. Class Hierarchy (highest t
1. The diagram below represents a flat racetrack as viewed from above, with the radii of its two curves indicated. A car
with a mass of 1,000 kilograms moves counterclockwise around the track at a constant speed of 20 meters per second.
The net force acti
Name_
Period_
HW 7
Regents Physics Mr. Jiang
1. Which of the following set of graphs describe an object in freefall near the surface of the Earth?
Proof: Explain!
2. Washington drops a flag from the top of a 45 meter high building.
a. Calculate the time t
Show Calculations if there are calculations.
4. A 25-newton horizontal force northward and a 35-newton horizontal force southward act concurrently on a 15kilogram object on a frictionless surface. What is the magnitude of the object's acceleration?
A) 0.6
Physics Spring Research Paper:
Hair Dryers
By: Sameera Owishee
Pd. 3
Sameera Owishee
Physics Pd. 3 Jiang
April 23, 2017
Spring Break Research Paper: Hair Dryers
Function:
Hair Dryer is known for accelerating the time it takes for hair to dry by blowing ho
Name_
Period_
HW 5
Regents Physics
Mr. Jiang
Draw the final vector after combining the vectors given with reasonable accuracy
Example:
N-North
E-East
S-South
W-West
1. 2m N
3m N
2. 3m/s S
8m/s S
3. 2m N
5m S
4. 2m/s W
8m/s E
5. 5m/s2 SW
2m/s2 NE
6. 2m N
5
Name_
Period_
HW 4
Regents Physics
1. How long will it take an object to move 50 centimeters if it is traveling with an average speed of 0.5
meters per second?
(1) 100 s
(3) 1 s
(2) 2.5 s
(4) 25 s
Show calculations.
2. Tina runs with an average speed of 3
Investigating weight on friction Mini Lab
We know:
Friction is caused by the roughness between the contact of two objects.
Materials:
Scrap paper as sled
Objects of different masses as objects ^_^
s=.2
(s=.2)
k=.17
(k=.17)
Procedure:
Collect 3 objects (ca
Name_
Period_
Tip use known and unknown tables!
p = mv
HW 22
Regents Physics Mr. Jiang
= =
1. A 129g iPhone 6 falls out of a Japanese bullet train moving at 90m/s (real top speed!)
Calculate its momentum
2. A force of 6.0 newtons changes the momentum of
Name_
HW 12
Period_
Regents Physics Mr. Jiang
Calculate the x and y components for each diagram (N is Newtons -> it is a unit like m/s, and s, etc)
Diagram A
X: 50N
Y:
X:
Y:
Diagram B
X:
Y:
Diagram C
X:
Y:
X:
Y:
I launch a cannonball at an angle of 45o fr
Name_
HW 17
Period_
Regents Physics Mr. Jiang
1. An 8.0-newton wooden block slides across a horizontal wooden floor at constant velocity. What is the magnitude of
the force of kinetic friction between the block and the floor?
A) 2.4 N
B) 3.4 N
C) 8.0 N
D)
Name_
Period_
HW 14
Regents Physics Mr. Jiang
Show Calculations!
1. A 750-newton person stands in an elevator that is accelerating downward. The upward force of the elevator floor on
the person must be
A) equal to 750 N
B) greater than 750 N
C) less than
1.
Incline
P
rac+ce
P
roblems
Calculate the normal force of a 53 kg rock res+ng on a 20 incline.
2.
A 45-kg object is placed on an incline. The incline is 53 above the horizontal.
3.
4.
o
a.
b.
Determine the magni
Name_
Period_
Calculate the x and y components, then find the quantities asked.
HW 13
Regents Physics Mr. Jiang
1. A punter in a football game kicks a ball from the goal line at 60.0 from the horizontal at
25.0 m/s.
a) What is the hang time of the punt?
b
HW 23
Physics
1. A stationary 100 kg quarterback is sacked, receiving a 2500 N force for 0.30 s,
A) What was his initial momentum?
B) What is the change in momentum experienced?
C) What is the quarterbacks velocity after impact?
2. A 0.145 kg baseball at
ragovski (vnr276) HW-02 (Kinematics 2) alomeri (333777)
This print-out should have 20 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
001 (part 1 of 4) 10.0 points
Both car A and car B leave
filosa (arf2425) 13 bradshaw (107)
This print-out should have 67 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
001 (part 1 of 2) 10.0 points
Four identical light bulbs are connected either
Name_
Period_
HW 29 Kinetic Energy
Regents Physics Mr. Jiang
1. A shopping cart slows as it moves along a level floor. Describe the KE of the cart?
2. Sketch a graph that shows the relationship between the kinetic energy and the speed of an object falling
Mr. Jiang - Regents Physics
Name_
Quiz 10 KE PE
Number:_
Period_
Show All work if required, formula, substitution, final answer with units.
1. A shopping cart slows as it moves along a level floor. Describe what happens to the KE and PE of the cart as
tim