When studying atoms, scientists can ignore the force between charged particles that make up the atoms because it is many millions of times smaller than other forces in the atom. Gravitational Constant Normal Fricitional

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

More solar radiation is absorbed by earth’s surface than by

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?