You apply a 100N force to a 20kg block. It doesn't move. Why? What is the mass? Draw a free body diagram.

How do the respiratory, circulatory, digestive and nervous systems work together to get essential materials to the cells of the body

All waves on the electromagnetic spectrum travel at the same speed in a vacuum. The speed of these waves in a vacuum is 3x108 m/s. As the wavelength of a wave doubles, how does the speed and frequency of the wave change?

how does inertia explain the movement of your body when a car in which you are riding comes to a sudden stop? (8 sentences)

6-A man standing in a valley between two parallel mountains fires a gun and hears echo at an interval of 2. 3.5s. What is (a) the distance between two mountains () the location of the man with respect to the mountain. (speed of sound=334 m/s)

Which kind of energy transformation occurs when skaters falls back onto the ramp a. mechanical to gravitational to nuclear b. kinetic to potential to electrical c. gravitational to kinetic to energy d. mechanical to potential to gravitational

How does the tilt of Earth's axis affect how the sun's rays strike Earth?

A stone is tied to s string and whirled around in a circle at constant speed. Is the string more likely to break when the circle is horizontal or when it is vertical? Account for your answer, assuming the constant speed is the same.

Two blocks, stacked one on top of the other, slide on a frictionless horizontal surface. The surface between the two blocks is rough, however, with a coefficient of static friction equal to 0.50. The top block has a mass of 2.

Process by which water vapor changes to a liquid Evaporation Condensation Convection radiation

Part A Find the energy U0 stored in the capacitor. Express your answer in terms of A, d, V, and ϵ0. Remember to enter ϵ0 as epsilon_0.