An ion of an element has 42 protons 44 neutrons and 43 electrons. What is it's charge and how did you make that determination?

This scientist focused his study on planetary motion. One of his laws is the planets orbit the Sun in elliptical patterns. Hubble Kepler Newton Copernicus

The big bang theory suggests that the origin of the universe began with that exploded and expanded.

A proton moves around a circular path (radius = 2.0 mm) in a uniform. 25-T magnetic field. what total distance does this proton travel during a 1.0-s time interval? (m = 1.67 x 10⁻²⁷ kg = 1.6 x 10⁻¹⁹ C) A) 82 kmB) 59 kmC) 71 kmD) 48 kmE) 7.5 km

At 8:00 AM you leave home and walk 0.5 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 10 km away, and arrive at 11:45 AM. What is the total distance traveled? 2.8 km/h 10 km 10.5 km 11 km

A free-falling projectile is launched from the ground and has a hangtime of 6 seconds before hitting the ground. How high did it go?

Which formula describes acceleration? m/s^2 m/s s/m m2

An arrow is shot upward on mars from ground level with a velocity of 60 meters per second. Its height (in meters) after t seconds is given by 2 s (t) = 60t - 1.9t^2.

Energy transformations in a bouncy house

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action