Which best descibes ionic compound formulas

A 0.10-kilogram ball dropped vertically from a height of 100 meter above the floor bounces back to a height of 0.80 meter. The mechanical energy lost by the ball as it bounces is A. 0.080J B. 0.20 J C. 0.303 D. 0.78)

A 1.50-mF capacitor is connected to a North American electrical outlet (ΔVrms = 120 V, f = 60.0 Hz). Assuming the energy stored in the capacitor is zero at t = 0, determine the magnitude of the current in the wires at t = 1/171s.

A stationary object has no forces acting on it. True False

What do artists and scientists have in common? Creative thinking processes Clean laboratory environments Knowledge of computers Lack of imagination FYI this is for science class!

consider this situation: A team of landscapers pull an unplanted tree across the lawn. Of the forces listed, identify which act upon the tree. Normal force, gravity, applied, friction, tension, or air recistamce.

In 1940, the Tacoma Narrows Bridge across the Puget Sound collapsed. The bridge was a suspension bridge. The wind blowing through the narrows matched the natural frequency of the bridge.

What has more momentum: a sports car moving at 100 mph or a train that is not moving?

What is your mass in kilograms?

The dimensions of a block that weighs 30 N are 0.23 mx 0.12 mx 0.075 m. What pressure does the brick exert on the ground if it is resting on its largest face?

What is the current in a circuit with a 9.0 V battery and a resistance of 36.0 Ω?