Formulas
Distance = speed x time
Displacement = velocity x time
Force = mass x acceleration
Weight = mass x gravity
momentum = mass x velocity
Charge = Current x time
Voltage = current x resistance
A woman drives to her office 10 km away from her house at 9 a.m. and reaches her office at 9:20 a.m. She stays in the office until 6 p.m. and then returns home at 6:25 p.m. Which answer gives the correct distance and displacement at 6:25 p.m.?
If you are running around a circular park of radius R and you meet a friend and stop to chat after exactly covering a semicircle, how much displacement have you made from your starting point?
A butterfly can fly 1866 meters in 5 hours. If the butterfly is hurt, it can fly 66 less meters than the healthy one within the same time of 5 hours. What is the speed of the hurt butterfly?
___ m/h
If a bus travels 4 km due north and 3 km due west going from bus station A to bus station B, then what is the magnitude of the bus’ displacement from station A to station B?
Say the tortoise and the hare are racing. If the tortoise moves straight backwards from the starting point, what is true about its displacement?
Which option is true for a an object not moving
Which of the following will resist a change in its motion on a object?
To calculate an object’s momentum, you would use the formula
A car weighs 2000 kg. If it is moving at a speed of 15 m/s, what’s the linear momentum of the car?
Which object has the greatest inertia?
A sleeping hippopotamus and a mountain both have _______________ momentum.
Jim rode at an average speed of 12 mph for 2 hours. Then, he walked at an average speed of 3 mph for 0.5 hours. What was the total distance covered by Jim?
Alan runs at a speed of 250 m/min. How far does he run in 5 minutes?
A truck travels at a speed of 40 mph. How long does it take to travel 240 miles?
A student walks 6 meters due east and then walks 10 meters due west from the history classroom to the reading room. The total distance travelled by the student is________
A car travels 5 km due east, then 10 km due north, and then 5 km due west. The total distance travelled by car is ___.
A student walks 300 meters due east and then 100 meters due north, and then 500 meters due west. The total distance travelled by the student is ___.
A cart travels 3.00 meters east and then 4.00 meters north. The magnitude of the cart’s resultant displacement is ___.
Allison pulls on a refrigerator with 200 N of force. Fred helps her out and pulls on the refrigerator in the same direction with 300 N of force. What is the net force on the refrigerator?
If a book rests on a flat table, in what direction does the normal force from the table act on the book?
When a soccer ball is rolling along a grassy field, it does not continue moving forever. What force is acting upon it to change its state?
The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___
Fill in the blanks with either “More,”“Less,” or “The Same.” In order to accelerate an object more, one would need to apply _______________ force.
John push the car with 100 N of force. Adam helps him out and pushed on the car in the same direction with 200 N of force. What is the net force on the refrigerator?
___
If you punch a wall with a force of 30 N, what force will you feel on your fist?
____