How many minutes of exercise do you need daily to be healthy?

A "step-down" transformer is used to reduce the voltage from 11060 V to 240 V before it is connected to houses in a neighborhood. If the transformer has 50 turns on the secondary, how many turns does it have on the primary

A housefly with a mass of 0.00100 kilograms zooms through the room at a rate of 2.20 m/s. How much kinetic energy does it have?

If 160 J of work was done to move a car and the distance the car moved was 40 m. what amount of force was used?

What is the voltage in a circuit that has a current of 10.0 amps and a resistance of 28.5 ohms?

When current increases and resistance remains constant what must happen to voltage? A) Voltage must decrease. B) Voltage must increase. C) Voltage will remain the same. D) Voltage is not affected by current and resistance.

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays

5. A B note has a frequency of 493.88 Hz. Calculate its wavelength in meters.

When one of the electrons of a particular atom undergoes a transition to a quantum state of lower energy, it a) collides with another of its electrons b) exchanges quantum states with another of its electrons c) undergoes a transition to a quantum

What's the symbol for an ionized bromine atom?