You can safely hold your fingers on both sides of a candle flame due mainly to
A) conduction.
B) convection.
C) radiation.
D) none of the above
Answer: B
You might also like to view...
Seasons on Earth are primarily caused by:
A) the distance from the Earth to the Sun. B) the tilt of the Earth's rotational axis. C) the tilt of the Earth's magnetic axis. D) the precession of the Earth's rotational axis. E) the dates of the solstices and equinoxes.
An Atwood machine consists of an object of mass of 3.5 kg connected by a light string to an object of mass of 6.0 kg over a frictionless pulley with a moment of inertia of 0.0352 kg ? m2 and a radius of 12.5 cm
If the system is released from rest, what is the speed of the objects after they have moved through 1.25 m if the string does not slip on the pulley? A) 2.0 m/s B) 2.3 m/s C) 4.0 m/s D) 5.0 m/s E) 6.0 m/s
The speed of a satellite orbiting Earth is given by v = ?(GM/d). Escape speed from Earth is given by v = ?(2GM/d), where in both cases G is the gravitational constant, M is Earth's mass, and d is distance from Earth's center
If a satellite's kinetic energy were doubled it could A) orbit at twice its distance from Earth. B) orbit at four times the distance from Earth. C) escape Earth.
What happens to the charge that leaves a battery in a complete circuit that includes a light bulb?
a. It goes to the light bulb and gets used up. b. It goes through the light bulb and returns to the other end of the battery. c. It accumulates at the farthest point from the bulb. d. It is lost as heat and light. e. It goes to the light bulb or other object and disperses throughout the system.