M.U.M.(1D & 2D)
Rank the following mass measurements from least to greatest: 11.6 mg, 1021 μg, 0.000006 kg, 0.31 mg
0.31 mg, 1021 μg, 0.000006 kg, 11.6 mg
If the mass is tripled, then the inertia is
Tripled
A force of 6.0 newtons changes the momentum of a moving object by 3.0-kilogram∙meters per second. How long did the force act on the mass?
0.50 s
The watt-second is a unit of
Power
A positively charged glass rod attracts object X. The net charge of object X
It may be zero or negative
Arrange the following SI prefixes in order from smallest to largest:
micro, pico, mega, tera, kilo, milli, nano, giga, centi
pico, nano, micro, milli, centi, kilo, mega, giga, tera
An unbalanced force of 10.0 newtons north acts on a 20.0-kilogram mass for 5.0 seconds. Calculate the acceleration of the mass.
0.5 m/s2
A 60-kilogram rollerskater exerts a 10-newton force on a 30-kilogram rollerskater for 0.20 seconds. What is the magnitude of the impulse applied to the 30-kilogram rollerskater?
2.0 N∙s
The work done in accelerating an object along a frictionless horizontal surface is equal to the change in the object's
Kinetic energy
In an electric field, 6.0 joules of work are done to move 2.0 coulombs of charge from point A to point B. Calculate the potential difference between points A and B.
3.0 V
Perform the operation indicated. Make sure your answer is in scientific notation.
1.50 x 1011 / 7.5 x 10-4
0.2 x 107
A 25-newton horizontal force northward and a 35-newton horizontal force southward act concurrently on a 15-kilogram object on a frictionless surface. What is the magnitude of the object's acceleration?
0.67 m/s2
A 2.0-kilogram laboratory cart is sliding across a horizontal frictionless surface at a constant velocity of 4.0 meters per second east. What will be the cart’s velocity after a 6.0-newton westward force acts on it for 2.0 seconds?
2.0 m/s west
A motor used 120 watts of power to raise a 15-newton object in 5.0 seconds. Through what vertical distance was the object raised?
40 m
A 1.5-volt, AAA cell supplies 750 milliamperes of current through a flashlight bulb for 5.0 minutes, while a 1.5-volt, C cell supplies 750 milliamperes of current through the same flashlight bulb for 20 minutes. Compared to the total charge transferred by the AAA cell through the bulb, the total charge transferred by the C cell through the bulb is
Four times as great
A person standing on the edge of a seaside cliff kicks a stone horizontally over the edge with a velocity of 8.5 m/s. The stone takes 4.5 s to reach the water. How high is the cliff above the water?
99.3 m
A person weighing 785 newtons on the surface of Earth would weigh 298 newtons on the surface of Mars. What is the magnitude of the gravitational field strength on the surface of Mars?
3.72 N/kg
A 3.1-kilogram gun initially at rest is free to move. When a 0.015-kilogram bullet leaves the gun with a speed of 500 meters per second, what is the speed of the gun?
2.4 m/s
What is the power output of an electric motor that lifts a 2.0-kilogram block 15 meters vertically in 6.0 seconds?
49 W
The centers of two small charged particles are separated by a distance of 1.2 × 10-4 meters. The charges on the particles are +8.0 × 10-19 coulomb and +4.8 × 10-19 coulomb, respectively. Calculate the magnitude of the electrostatic force between these two particles.
2.4 x 10-19N
An arrow is fired into the air at an angle of 30 degrees to the horizontal. The initial velocity of the arrow is 65 m/s. How long is the arrow in the air?
About 3.3 s
Calculate the magnitude of the centripetal force acting on Earth as it orbits the Sun, assuming a circular orbit and an orbital speed of 3.00 × 104 meters per second. [Show all work, including the equation and substitution with units.]
3.59 x 1022
A 1200-kilogram car moving at 12 meters per second collides with a 2300-kilogram car that is waiting at rest at a traffic light. After the collision, the cars lock together and slide. Eventually, the combined cars are brought to rest by a force of kinetic friction as the rubber tires slide across the dry, level asphalt road surface. Calculate the speed of the locked-together cars immediately after the collision.
v = 4.11 m/s
A small electric motor is used to lift a 0.50-kilogram mass at a constant speed. If the mass is lifted a vertical distance of 1.5 meters in 5.0 seconds, the average power developed by the motor is
1.5 W
Two oppositely charged parallel metal plates, 1.00 centimeter apart, exert a force with a magnitude of 3.60 × 10-15 newton on an electron placed between the plates. Calculate the magnitude of the electric field strength between the plates.
2.25 x 104 N/C