What is one advantage of using primary source when doing research on an experiment

Technician A says that the starter motor used to crank diesel engines can draw up to 400 amps of current.

Anthony and Sissy are participating in the "Roll-a-Rama" rollerskating dance championship. While 75.6 kg Anthony rollerskates backwards at 3.7 m/s, 59 kg Sissy jumps into his arms with a velocity of 5.4 m/s in the same direction.

Which statement correctly describes the earth's magnetic field? the geomagnetic south is consistent with a magnetic south. the geomagnetic north is similar to the south pole of a magnet.

Who does more work, a person who lifts a 2-kilogram object. 5 meters, or a person who lifts a 3-kilogram object. 4 meters?

The hypotenuse of the right triangle ABC is 12.0 centimeters. The angle θ is 41.0 degrees. What is the length of the side opposite to angle θ?

Which of the following factors will negatively impact the rate of diffusion of a molecule? A short distance between two concentrations of the molecule A low difference in the concentration of the molecule across the media A warm environment

A sound wave has a frequency of 1,395 Hertz. All sound waves in air travel at 343 m/s. Find the wavelength of the sound wave. what's the answer?

Which factor will affect the light-gathering power of a telescope? A. change in the focal length B. change in the diameter of the objective C. change in the angle of the objective D. change in the elevation of the telescope E.

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which of the following correctly compares a scientific investigation to a demonstration