The magnetic field of a long, straight, and closely-wound solenoid, inside the solenoid at a point near the center, is 0.920 T. What is the magnitude of the magnetic field at this point if the current in the solenoid is increased by a factor of 2.50?

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?