Change in sound vibration into electromagnetic waves is

A skydiver has jumped out of a plane and is moving faster and faster. what force is presented in this situation? A. Gravity B. Gravity, air resistance, and normal face C. Air resistance D. Gravity and air resistance

Compare the density, weight, mass, and volume of a pound of gold to a pound of iron on the surface of Earth.

Which two issues have increased the need for alternatives to fossil fuels?

Is pure water an acidic, basic, or neutral substance? is the ph of a strong acid higher or lower than the ph of a weak acid of the same concentration?

A person is running on a track. Which of the following forces propels the runner forward?

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?

If a 0.200-kilogram ball sits on a shelf 2.00 meters from the floor, how much mechanical energy (me) does it possess?

Which statement describes static equilibrium? A. The forces on an object are unbalanced. B. An object has balanced forces acting on it and constant velocity. c. The forces on an object are balanced and there is no motion. D.

What is the rate at which work is done in lifting a 35 kg object vertically at a constant speed of 5 m/s? 1 1700 W 2 340 W 3 180 W 4 7.0 W

The owner of a window treatment company wants to design Shades that will cover the windows of the house.