Fundamentals of physics
Quantities that have magnitude only
What is scalar
Sliding a hockey puck, a kite, an airplane are all examples of
What is Newtons first law
kgxm/s
What is units for momentum
When a force moves an object on which it acts in the direction of the force
What is work
What is static electricity?
What is Static electricity is an imbalance of electric charges within or on the surface of a material.
straight up and down and side to side.
What is 2-Dimensional Motion
Center seeking,acting toward center
What is centripetal
Since momentum depends upon velocity it is
What is vector quantity
PE=mgh
What is potential energy formula
What two atomic particles make up the nucleus of the atom?
What is neutrons and protons
What is scientific notation?
What is a way of writing very large or very small numbers that uses exponents
The tendency for drivers to keep moving linearly while the car makes a sharp turn on the road
What is the the concept of inertia ( Newtons 1st law)
A 1.0-kilogram laboratory cart moving with a velocity of 0.50 meter per second due east collides with and sticks to a similar cart initially at rest. After the collision, the two carts move off together with a velocity of 0.25 meter per second due east. The total momentum of this frictionless system is...
the same before and after the collision
Power is defined as the?
What is the rate at which work is done?
True or False: If you have built up a static electric charge on your skin, it is likely to discharge when you touch something metal.
True
What number is written as 3.5 × 104 in scientific notation?
What is 35000
Earth’s mass is approximately 81 times the mass of the Moon. If Earth exerts a gravitational force of magnitude F on the Moon, the magnitude of the gravitational force of the Moon on Earth is
What is F
A woman with horizontal velocity v1 jumps off a dock into a stationary boat. After landing in the boat, the woman and the boat move with velocity v2 . Compared to velocity v1 , velocity v2 has
What is smaller magnitude and the same direction
Jim Neysweeper is applying a 21.6-N force downward at an angle of 57.2° with the horizontal to displace a broom a distance of 6.28 m. How much work is done?
What is W=73.5 J
An electron moving at a constant speed produces
What is both magnetic and electric field
What is 0.0045 in scientific notation
What is 4.5×10-3
The acceleration due to gravity on the surface of planet X is 19.6 meters per second2 . If an object on the surface of this planet weighs 980 newtons, the mass of the object is
What is 50 kg
A 25-kilogram mass travels east with a constant velocity of 40. meters per second. The momentum of this mass is...
What is 1.0 × 103 kg-m/s east
On a recent adventure trip, Anita Break went rock-climbing. Anita was able to steadily lift her 80.0- kg body 20.0 meters in 100 seconds. Determine Anita 's power rating during this portion of the climb.
What is 157 W
What is the current in a wire if 3.4 x 1019 electrons pass by a point in this wire every 60. seconds
What is 9.1 x 10-2 A