What forces are acting on matter through contact or no contact

A night-light uses 3 W. If the voltage is 120 V, what is the current? A. 0.025A B. 40 A C. 360A D. 0.25A

A spring has an unstretched length of 10 cm. it exerts a restoring force f when stretched to a length of 11 cm. part a for what length of the spring is its restoring force 3f?

If the frequency of the voltage signal impressed on the parallel plate capacitor is doubled from f to 2f, the amplitude of the magnetic field Bo at r =

A car traveling at 39 m/s starts to decelerate steadily. It comes to a complete stop in 9 seconds. What is its acceleration?

Which one of the following statements about sulfric acid is correct? A. Sulfric acid is a known muriatic acid B. Sulfric acid has little effects on metals C. Sulfric acid is dangerous to living organisms D. Sulfric acid is a strong oxidizing agent

What is three example of technology

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?

Two descriptions about physical quantities are given below: Quantity A: It is a force. Quantity B: It changes when the object travels from Earth to Earth's moon. What quantities are these most likely describing? A.