A cyclist travels for 30 min with an average speed of 10km/h. How far does she travel?

1. Is it true to say that, current decreases when passing through a resistor and then increases again upon exiting? 2. Is it true or wrong to say that, Magnetic fields exert a force on all moving electrically charged particles?

The water pressure at the bottom of the Marianas Trench is approximately 1,100 kPa. With how much force would the water pressure at the bottom of the Marianas Trench push on a fish with a surface area of 0.50 m^2?

Which of the following statements is an accurate description of vibrations? A. Neither ultrasonic nor infrasonic vibrations can be heard by humans. B. The frequency of infrasonic vibrations is much too high to be heard by humans. C.

When electricity flows through a coil of wire, what does the resultant magnetic field resemble? A. The magnetic field of a bar magnet. B. The magnetic field of a horseshoe magnet. C. The magnetic field around a straight wire. D.

Neglecting air resistance, which statement is not true regarding the energy of the ball? a. The kinetic energy decreases while the ball is going up. b. The potential energy decreases while the ball is going up. c.

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.

A baseball with a mass of 0.8 kg is given an acceleration of 20m/s. how much force was applied to the ball

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes