A rocket will move upward as long as the thrust is greater than the force of gravity.

a. True

b. False

Love, which can't be observed or measured directly, is an example of a psychological construct. a. True b. False

What is the pH range of an acid? 0 - 6 6 - 8 8 - 14 0 - 14

Light travels fastest when moving through

True or False: When a wire with a current is placed in a magnetic field, electrical energy is transformed into mechanical energy

A man pulls a sled at a constant velocity across a horizontal snow surface. if a force of 80 n is being applied to the sled rope at an angle of 53° to the ground, what is the force of friction between sled and snow?

A change from one form of energy into another is called a. gravitational potential energy. b. work. c. conservation of energy. d. an energy transformation

4. An airplane must achieve a velocity of 71 m/s for takeoff. If the runway is 1000 m long, what must the acceleration be?

As the average kinetic energy of the particles in a gas increases, which of the following occurs?

Power=170 watts time=20 seconds

What is the charge of alpha, beta and gamma rays?