When x-ray radiation and infrared radiation are traveling in a vacuum, they have the same
What is speed
100
This group of subatomic particles are found outside the nucleus.
What are leptons
100
A student does 60. joules of work pushing a 3.0-kilogram box up the full length of a ramp that is 5.0 meters long. What is the magnitude of the force applied to the box to do this work?
What is 12 N
100
This is the concept explained by Newtons first law
What is inertia
200
An air bag is used to safely decrease the momentum of a driver in a car accident. The air bag reduces the magnitude of the force acting on the driver by
What is increasing the time
200
If the frequency of a periodic wave is doubled, the period of the wave will be
What is halved
200
This is the classification of all matter found within the nucleus
What are hardrons
200
Student A lifts a 50.-newton box from the floor to a height of 0.40 meter in 2.0 seconds. Student B lifts a 40.-newton box from the floor to a height of 0.50 meter in 1.0 second. Compared to student A, student B does
(1) the same work but develops more power
(2) the same work but develops less power
(3) more work but develops less power
(4) less work but develops more power
What is (1)
200
This is the contact force that opposes the applied force of motion
What is friction
300
A cannon is fired. Compared to the impulse on the cannon ball, the impulse on the cannon is
What is the same
300
What is the period of a 60.-hertz electromagnetic wave traveling at 3.0 × 108 meters per second?
What is 1.7 x 10 ^-2 s
300
What is the charge of a baryon with the composition tts
What is +1
300
As a box is lifted off the ground it gain gravitational potential energy. Where does the energy come from?
What is the work of lifting the box
300
This is the name of the law used when calculating refraction.
What is Snell's Law
400
A 3.0-kilogram object is acted upon by an impulse having a magnitude of 15 newton•seconds. What is the magnitude of the object’s change in momentum due to this impulse
What is 15 kg m/s
400
What happens to the frequency and the speed of an electromagnetic wave as it passes from air into glass
What is The frequency remains the same and the speed decreases
400
Name the 3 possible charges for a meson
What are -1, 0, +1
400
A 2 kg ball falls off a cliff, the speed of the ball just before it hits the ground is 22 m/s. How high is cliff?
What is 24.7 m
400
The force to compress a spring is equal to the springs constant times the springs change in displacement. What is the name of this law?
What is Hooke's Law
500
What is the speed of a 1.0 × 10^3-kilogram car that has a momentum of 2.0 × 10^4 kilogram•meters per second east
What is 20 m/s
500
As a monochromatic light ray passes from air into water, two characteristics of the ray that will not change are
What is frequency and Period
500
Einstein won a noble prise for this concept.
What is the photoelectric effect
500
A 5 kg mass is drop from a height of 7m directly onto a spring. If the spring has a spring constant of 2746.8 N/m, how much does the spring compress
What is .5m
500
A 500N block is sliding down a 40˚ frictionless incline plane. How quickly is the box accelerating?