Physical Attraction
The gravitational force between the earth (m=5.972*10^24 kg) and the sun (M=2*10^30 kg) which are separated by 149.6*10^6 km. (G = 6.67*10-11 Nm^2/kg^2)
The work done by a 5 N force over a distance of 6 m.
The momentum of a 2 kg semi-truck traveling at 300 m/s.
What is 600 kg*m/s?
The centripetal acceleration of an object with tangential velocity of 6 m/s and radius of 3 m.
What is 12 m/s^2?
The form of energy associated with an object’s motion.
What is kinetic energy?
What is 1.63 m/s^2?
The final velocity of an object dropped from a height of 7 m when it is 1 m above the ground?
What is 10.84 m/s? (Recall v=sqrt[2gh])
What is Fav = 3750 N?
The centripetal force of a 0.75 kg mass that moves in a circle of radius 0.60 m at a speed of 2.0 m/s.
What is 5 N?
The direction that the acceleration of an object in uniform circular motion points.
What is toward the center?
The separation of two people (m=68kg) if the gravitational force between them is 1.23*10^-6 N.
What is 0.5 m?
The power of a car engine that exerts a force of 2500 N to keep the car moving at a velocity of 20 m/s.
Watt is 50000W?
The final velocity of two train cars that collide and stick together. m1=20000 kg v1=5 m/s m2=35000 kg v2 = -3 m/s
What is -0.091 m/s?
The angular displacement after 4.0 s of a hamster wheel that starts from rest and has a constant angular acceleration of 2.5 rad/s².
What is 20 rad?
The point in its orbit at which a planet has the largest tangential speed.
What is perihelion (point closest to the sun)?
The radius of orbit of a satellite with tangential velocity 10000 km/hr and a period of 86400 s
What is 3.82×10^7 m?
The speed of a 0.1 kg block that is launched by a spring compressed by 1 m with a spring constant 5 N/m.
What is 0.07 m/s?
The recoil speed of a rifle given that its mass is 3 kg, the mass of the bullet shot is 0.005 kg, and the speed of the bullet is 300 m/s.
What is -0.5 m/s?
The angular acceleration of a fan that uniformly accelerates from an initial angular velocity of 10 rad/s to a final angular velocity of 28 rad/s in 3.0 s.
What is 6.0 rad/s^2?
This happens to the velocities of objects in a completely elastic collision.
The new period of Planet X given that its radius of orbit has doubled given that its old period is 6 years.
What is 6.93 years?
The work done by friction on a 3 kg block sliding down a ramp of height 7 m that ends with a velocity of 10 m/s.
What is -55.8 J?
Whether or not the skaters will break any bones if the average force two skaters experience when colliding if their change in momentum is 500 kg*m/s and the time they are in contact is 0.1 s. (Average force to break a bone 4500 N).
What is yes?
The angular acceleration of a wheel that starts from rest and rotates through 15 rad until its angular speed reaches 6.0 rad/s.
What is 1.2 rad/s^2?
This is Dr. Hagelberg's middle name.
What is Burchard?