Kinematics
An object moving at 4m/s accelerates at a rate of 3m/s2 for 5s. Calculate the final velocity of the object.
19m/s
An object accelerates at a rate of 2m/s2 when acted upon by a 36N force. Calculate the mass of the object.
18kg
A 14kg object moves at a velocity of 6m/s. Calculate the momentum of the object.
84 kg m/s
A 9kg object sits on Earth's surface. Calculate the gravitational force Earth exerts on the object.
88.2N
What is Ms. Deppmeier's favorite color?
purple
A projectile is thrown straight up at 8m/s. Calculate the maximum height reached by the object?
3.27m
A car with a mass of M collides with a truck that has a mass of 3M. The car exerts a force F on the truck. What is the magnitude of the force the truck exerts on the car?
F
What is the difference between an elastic and an inelastic collision?
Elastic collisions conserve kinetic energy. Inelastic collisions do not conserve kinetic energy.
An 18kg object experiences a 234N gravitational force. Calculate the strength of the gravitational field acting on the object.
13N/kg
What is Ms. Deppmeier's favorite animal?
raccoon
An object is thrown straight up at 14m/s from the top of a 24m tall cliff. Calculate how long it will take for the object to reach the ground.
4.06s
A 6kg object is suspended at rest from a spring that has a spring constant of 5000N/m. Calculate the extension of the spring.
0.01m
An 8kg object moving to the left at 4m/s collides with and sticks to a 14kg object that was moving to the right at 3m/s. Calculate the final velocity of the combined objects.
0.45m/s
Two objects (m1 and m2) exert a gravitational force Fg on each other when positioned a distance r apart. What would the new gravitational force be when m1 is multiplied by 5 and r is divided by 2?
20Fg
How tall is Ms. Deppmeier?
5'7''
A projectile is launched at 18m/s at a 57 degree angle. Calculate the horizontal and vertical components of the velocity.
vy=15.10m/s
A 20kg block is pushed to the right across a level surface by a 170N force resulting in a 5m/s2 acceleration. Calculate the coefficient of friction between the block and the surface.
0.36
A 9kg object moving at 6m/s collides with a 4kg object moving at -7m/s. After the collision, the 9kg object moves at -2m/s and the 4kg object at 11m/s. Is this collision elastic or inelastic?
Elastic
A 90,000kg object exerts a 0.4N gravitational force on a 130,000kg object. Calculate the distance between the objects.
1.40m
What university did Ms. Deppmeier attend?
Montana State University
A projectile is launched at 16m/s at a 34 degree angle from the top of a 7m tall cliff. Calculate how far the projectile lands from the base of the cliff.
32.06m
A 9kg block sits on a 28 degree incline. Calculate the component of the gravitational force that acts down the incline.
41.41N
A 7kg object moving to the right at 4m/s collides with a second object that was moving to the left at 2m/s. After the collision, the 7kg object moves to the left at 1m/s and the second object moves to the right at 2m/s. Calculate the mass of the second object.
8.75kg
A planet has a mass of 4.6x1023kg and a radius of 9.2x106m. Calculate the strength of the gravitational field produced by this planet at an altitude of 300km above the planet's surface.
0.34N/kg
How many cats has Ms. Deppmeier lived with over the course of her life?
seven