21olei21130 21olei21130
  • 25-04-2024
  • Physics
contestada

Assuming the spring has a spring constant of 100Nm-1 and has a length change of 2 cm, and that the final velocity of the car is 0.25 ms-1, what is the percentage efficiency of the toy?
Take the mass of the car to be 400g.

Respuesta :

Otras preguntas

The ability to smell metal led to which cultural innovation in early civilizations around the world
Which important document was signed by King John in the 1200s granting certain rights to the English people and limiting the king’s power? A. the Charter of Eng
What is the value of the underlined digit 315
Ano ang katangian ng athens bilang isang lungsod ng gresya
log de x na base 2 = 5 qual valor de x?
Indicate how convection currents depend on density differences
what are the 6 steps for decision making
job specialization is a characteristic of civilization that refers to what?
Glycolysis requires a)ATP b)oxygen c)sunlight d)NADP+
Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a velocity of 20.0 m/s.