A student practicing for track ran 800 meter in 110 seconds. what was her speed?

A 500-Ω resistor, an uncharged 1.50-μF capacitor, and a 6.16-V emf are connected in series. (a) What is the initial current? (b) What is the RC time constant? (c) What is the current after one time constant?

if the frequency of a sound wave in air remains constant, its energy can be varied by changing its what

Jovian planets did not form in the inner solar system because: A. It was too hot for light-weight but abundant water, ammonia, and methane molecules to accrete into planetesimals that were sufficiently massive to gravitationally pull hydrogen and

Which description is not a property of an acid? pH lower than 7 Turns litmus paper blue Sour taste Corrosive

How is an electromagnet different from a permanent magnet

Trace fossils are recognized as evidence of which pre-existing life? plants plants and animals neither plants nor animals animals

A net force of 30 N is applied to an object with a mass of 15 kg. The object accelerates at 2 m/s2. If half the force is applied, what happens to the acceleration?

A 770 n man stands in the middle of a frozen pond of radius 10.0 m. he is unable to get to the other side because of a lack of friction between his shoes and the ice. to overcome this difficulty, he throws his 1.

Which equation represents the total energy of a system?

The weight of a 100 N laser printer is spread over 0.5m2. What is the pressure it exerts? A) 50 N/m2 B) 200 N/m2 C) 500 N/m2