How many protons neutrons and electrons does nitrogen have?

The alkali metals all react vigorously with water. Which alkali metal would react to the greatest extent if you have equal amounts of each? A) K B) Li C) Na D) Rb

Explain how an object can have force acting on it but not be acceleration?

Of the list of objects below, write the ones you think would float in water: -Rock -Cruise ship -Quarter -Saturn -Beach ball

onsider a half-wave rectifier circuit with a triangular-wave input of 5-V peak-to-peak amplitude and zero average, and with R = 1 k?. Assume that the diode can be represented by the constant-voltage-drop model with VD = 0.7 V.

A graph of the motion of a pendulum shows that it swings from + 5 centimeters to - 5 centimeters for each cycle. What is the amplitude of the pendulum?

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?

What is efficiencywhat is the formula of mechanical advantage and velocity ratio of labour

What is the wavelength of an ekectromagnetic wave that has a frequency of 40,000 hz? the speed of light is 3x10^8 m/s?

Witch of the following is an example of a pull

Can two like charges attract each other