Which of the following is a correct interpretation of the expression

Sinkholes can form when

A spring with an unknown force constant is compressed as shown. If the original length of the spring is 60cm, determine (a) the spring force constant (b) the compressive stress in the spring (c) the strain of the spring

What wave is used reflecting from the ionosphere?

Which term describes a political institution that rules over a group of people with the same language and culture who reside within a defined territory? A. nation B. nation-state C. state D. political territory

To reduce broadcasts in a lan, the most suitable device is a

Ways that charges can be transferred

A cricketer can throw a ball to a maximum horizontal distance of 100m. How much high above the ground can he throw same ball

What is the relationship between the slope of the position graph of an object and its velocity?

Differeniate between thermal energy and heat

The term that describes the time when the sun's are directly over the equator is: