Which number is 0.0069 expressed in scientific notation? 6.9 * 104 6.9 * 10-6 6.9 * 10-4 6.9 * 10-3

An object of mass m swings in a horizontal circle on a string of length L that tilts downward at angle θ. Find an expression for the angular velocity ω in terms of g, L and angle θ.

The highest energy waves in the electromagnetic spectrum are

This question is about the alpha particle experiment Only 1 in 8000 were reflected back through large angles. what does this suggest about the structure of the atom?

Energy conservation . A pool ball of mass m is shot off a 0.68 m high pool table and hits the floor with a speed of 6.0 m/s. What was the ball's initial velocity?

What is the way to measure a wavelength

Witch kind of force do you exert on an object when you pull towards you A-Applied force B-Attractive force C-Drag force D-Normal force

a solid sphere is rolling without slipping along a horizontal surface with a speed of 5.5 meters per second when it starts up a ramp that makes an angle of 25 degrees with the horizontal what is the speed of the sphere after it has Road 3M up the

Solve: 12 > 3 (z+8)

What is another word for consumer? autotroph heterotroph producer decomposer

An Unfair Race This applet shows the results of releasing a frictionless block and a rolling disk with equal masses from the top of identical inclined planes.