Artículos de esta sección

• Acceleration and time taken by a car to increase speed (8329)

  10 de octubre de 2024 , por F_y_Q

  A car, which has uniformly accelerated motion, increases its speed from 18 km/h to 72 km/h over a straight distance of 37.5 meters. Calculate the time taken for this journey and its acceleration.

• Calculation of braking acceleration (8312)

  16 de septiembre de 2024 , por F_y_Q

  Determine the acceleration of a car, initially moving at a speed of 120 km/h, knowing that it takes 20 seconds to come to a complete stop.

• Vertical upward lunch (8289)

  15 de agosto de 2024 , por F_y_Q

  A body is launched vertically upwards with an initial velocity of . How long will it take to reach its maximum height?

• Relationship between linear and angular quantities (7425)

  10 de diciembre de 2021 , por F_y_Q

  A car starts at and uniformly accelerates at for 5 s.

  a) Calculate the final velocity and the displacement of the car.

  b) Determine the diameter of the tire if the angular displacement is 60 radians.

  c) Calculate the final angular velocity and angular acceleration of the tires.

• Angular position and velocity of a wheel (7424)

  10 de diciembre de 2021 , por F_y_Q

  The angular velocity of a bicycle wheel is , and its angular acceleration is .

  a) What are the angular position and angular velocity at t = 5 s?

  b) What are the angular position and angular velocity at t = 5 s, expressed in revolutions?

  c) What are the final velocity and displacement of the bicycle at t = 5 s if the tire has a diamater of 1 meter?