Sally is trying to lift a heavy box, but is not strong enough to lift it. Would the force that she is applying to the box be an example of an unbalanced force or a balanced force? Why?

A car dropped from a height of 44 meters fall to a height of zero meters. How fast will the car be traveling as it hits the ground? Assume air resistance is negligible (show all work)

Is the extension of a spring directly proportional indirectly proportional or inversely proportional to the force applied

The period of a simple pendulum in a grandfather clock on another planet is 1.80 s. What is the acceleration due to gravity (in m/s2) on this planet if the length of the pendulum is 1.00?

Which of these is considered a satellite galaxy of the Milky Way Galaxy? a. Virgo b. Andromeda c. Small Magellanic Cloud d. Copernican Dwarf Elliptical

Which of the following terms refers to the flow of energy heat and work? A. Thermodynamics B. Systems analysis C. Adiabatics D. Isobarics

What are electromagnetic waves? what are its characteristics? how do we classify them?

A gas is collected from a radioactive material; upon inspection, the gas is identified as helium. The presence of the helium indicates the radioactive sample is most likely decaying by: A). alpha B). beta + C). beta - D). gamma

Is 30 minutes to nine the same as 30 minutes after 8 in life

In a car changes its philosophy from 32 km/hour to54 km/hour in 8.0 seconds, what is its acceleration?

Suppose a conducting rod is 52 cm long and slides on a pair of rails at 2.75 m/s. What is the strength of the magnetic field in T if a 8 V emf is induced?