The following force acts on an object: 9 N north, 52 S south, and 55 N north. What is the net force?
What is 12 N north?
100
What is gravity?
What is 10m/s squared
200
(Blank= (1/2mv)squared
What is Kinetic Energy
200
What has the units of meters over seconds squared?
What is gravity?
200
The symbol J represents what?
What is impulse?
200
What is the potential energy of a 65 kg object that sits on a 13 meter high table?
What is 8450 J?
200
Which has more mass, a kilogram of feathers or a kilogram of iron?
What is they both have the same mass?
300
What two things do you need to find force?
What is mass and acceleration?
300
Watts is the units for this form of work?
What is power?
300
What is the symbol for initial velocity?
What is Vo?
300
Suppose you are in a car that is going around a curve. The speedometer reads a constant 30 miles per hours . What do ou know about the velocity and the acceleration?
What is the velocity and acceleration are changing.
300
how does acceleration of an object change in relation to its mass?
What is inversely proportional?
400
what is the formula for kinetic energy?
What is KE=(1/2mv)squared
400
what is the units for pressure
What is pascals?
400
what is the symbol for momentum?
What is lower case p?
400
A plane flying north at 4 km/h experiences a wind of 12 km/h east. What is the magnitude of the plane?
What is a squared + b squared = c squared
48.5 km/h=c
400
If you whirl a tin can on the end of a string, what does the centripetal force make the can do?
What is pull inward?
500
What has the formula of (Blank)=mgh?
What is Potential Energy?
500
What is the units for the coefficient of force?
What is no units?
500
What is the symbol for Power?
What is no symbol?
500
Suppose a small plane can fly at 170km/h relative to the surrounding air. Suppose also that there is a 60km/h tailwind. How fast does the plane's shadow move across the ground?
What is 230km/h
500
What is the difference between kinetic energy and potential energy?
What is kinetic is when something is in motion and potential is when something is at rest?