A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A cd player spinning at 500 rpm is subject to an angular acceleration of -2 rad/s2. How long does it take to come to a stop?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
Xena the warrior-ess pushes with a force of 100 N perpendicular to a dungeon door of mass 200 kg and width 1 m. How long does it take to close the door?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A simple pendulum of mass 1 kg and length 1 m hanging at rest is struck by a bullet of mass 10 g travelling at 300 m/s. What is the speed of the bullet+pendulum combined mass immedaitely after impact of the bullet embeds itself inthe pendulum?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A simple pendulum of mass 1 kg and length 1 m hanging at rest is struck by a bullet of mass 10 g travelling at 300 m/s. If the bullet embeds itself in thependulum, how high does the pendulum rise from its equilibrium position?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A space ship orbits the earth in an elliptical orbit. If it is travelling 100 m/s when it is 108 m from earth, how fast is it travelling when it is 107 from earth?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
Xena the warrior-ess fires a 200 g arrow at 80 m/s into a dungeon door of mass 200 kg and width 1 m. The arrow embeds itself in the door at 0.5 m from the hinges. How long does it take the door to close through a distance of 90 degrees?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
Xena the warrior-ess fires a 200 g arrow at 80 m/s into a rodent of unusual size which falls off a 10 m high ledge. How fast is the rat falling when it hits the floor?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A 10 kg box slides initially at 5 m/s across a wooden floor with coefficient of kinetic friction 0.3. How far does it slide before coming to rest?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A 10 kg wooden box is falling at 20 m/s when it lands on one side of a teeter-totter with radius 3 m. A rodent of unusual mass (20 kg) sits on the other side of the teeter-totter. With what speed is the rat initially launched into the air as it becomes airborne?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A motionless 10,000 kg space station shaped like a square slab is struck at its center by a 5 kg meteor travelling at 1000 m/s perpendicular to the slab. The meteor is vaporized by the impact. What is the change in velocity of the space station?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A motionless 10,000 kg space station shaped like a square slab is struck at one of its corners by a 5 kg meteor travelling at 1000 m/s perpendicular to the slab. The meteor is vaporized by the impact. What is the angular velocity of the space station?
What is the linear velocity?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A distant 10,000,000 kg asteroid initially at rest 1010 km away with respect to the moon is attracted toward the moon by their mutual gravitational force. With what speed does the astroid hit the moon?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
A 10,000,000 kg asteroid moving at 11 km/s hits the moon at its equator (tangentially). How much does the rotation period of the moon change?
How much does the velocity of the moon change?
A) Linear kinematics
B) angular kinematics
C) F=ma or &tau=I &alpha | ||
D) Conservation of linear momentum
E) Conservation of angular momentum
F) Conservation of energy | ||
G) Archimedes Principle/
H) Work-energy Theorem |
Xena the warrior-ess fires a 200 kg rodent at a velocity of 100 km/s up at 30 degree incline over a massless string and massless pully toward a distant 1,000,000 kg asteroid with a coefficient of friction 1.2. Neglecting air resistance, what color is the rat?