Very Valuable
The acceleration due to gravity
What is 9.81 m/s2?
The type of wave that requires a medium
What is a mechanical wave?
The amount of work done when a person lifts a 35kg block up 5m
What is 175J?
The charge on sphere B after sphere A comes into contact with and is then from sphere B, where sphere A originally had a charge of -7 units and sphere B had a charge of +3 units
What is -2 units?
The centripetal force acting on an 1050 kg truck as it drives 30 m/s around a roundabout that has a diameter of 100 m
What is 1.89 x 104 N?
The amount of coulombs in an elementary charge
What is 1.6 x 10-19?
An observed shift in frequency received due to motion of a vibrating source toward or away from a receiver
What is the Doppler Effect?
The power output of an electric motor that lifts a 20.0-kilogram block 150 meters vertically in 60.0 seconds
What is 50W?
The current through a 20.-ohm resistor that's powered by a 120V battery
What is 6.0A?
The force of friction on a wagon when a child pulls it at a constant velocity by applying a 22-newton force to the wagon handle, which is inclined at 35° to the ground
What is 18N?
The 2 SI units used to measure mass and length respectively
What is kilograms(kg) and meters(m)?
The two things that change when a wave passes into a new medium
What is speed and wavelength?
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The current through a wire when 480 C pass through the wire in 4 minutes
What is 2.0A?
The time of flight of a soccer ball when a person kicks the ball at an angle of 30° with an initial velocity of 10 m/s
What is 1.02s?
The force of gravity between the Earth and the Moon
What is 1.98 x 1020 N?
The speed of light in flint glass
What is 1.81 x 108 m/s?
The statement that describes the kinetic energy and total mechanical energy of a block as it is pulled at constant speed up an incline
What is "Kinetic energy remains the same and total mechanical energy increases"?
The equivalent resistance in a parallel circuit with 4 resistors, with resistances of 6 ohms, 12 ohms, 36 ohms, and 18 ohms
What is 3 ohms?
The elongation of a vertical hanging spring with a spring constant of 150 newtons per meter, produced by the suspended 2.00-kilogram mass.
What is 0.131m?
The amount of energy in joules in 1 amu
What is 1.49 x 10-10 J?
The angle of refraction when light passes from air into crown glass at an angle of 55°
What is 32.6°?
The total work done by friction when a 2kg block slides down a ramp with a height of 3m and reaches the ground with a kinetic energy of 50J
What is 9J?
The resistance of a gold wire at 20°C with a diameter of .25 meters and length of 5 meters
What is 2.485 x 10-6 ohms?
The velocity of a 16 kg canoe after an elastic collision, where the canoe was moving to the left at 12.5m/s and collided with a 14 kg raft traveling 16m/s to the right, resulting in the raft moving to the left at 14.4 m/s
What is 14.1 m/s?