Na siloměr zavěsíme pod sebe závaží s hmotnostmi 50 gramů 100 gramů, a 200 gramů. Jak velikou sílu bude ukazovat siloměr?

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

What is the speed of an object at a given moment?

What sort of waves exhibit the doppler effect?