During a certain period of time, the angular position of a swinging door is described by θ = 5.00 + 10.0t + 2.00t², where θ is in radians and t is in seconds. Determine the angular position, angular speed, and angular acceleration of the door (a) at t = 0 (b) at t = 3.0 s.
University of Ilorin PHY101 2026-exam past question
- (a) 5.00 rad, 10.0 rad/s, 4.00 rad/s²; (b) 53.0 rad, 22.0 rad/s, 4.00 rad/s²
- (a) 5.00 rad, 10.0 rad/s, 2.00 rad/s²; (b) 47.0 rad, 16.0 rad/s, 2.00 rad/s²
- (a) 0 rad, 10.0 rad/s, 4.00 rad/s²; (b) 48.0 rad, 22.0 rad/s, 4.00 rad/s²
- (a) 5.00 rad, 10.0 rad/s, 4.00 rad/s²; (b) 53.0 rad, 26.0 rad/s, 8.00 rad/s²
Register free to see the answer and step-by-step explanation
More University of Ilorin PHY101 2026-exam past questions
Related questions
- A car's suspension consists of springs with an overall effective spring constant of 120 kN/m. How much would you have to compress the sprin…
- An object rotates with angular momentum L. What will happen to its angular velocity if its moment of inertia is doubled?
- A 3.00 kg particle has a velocity of (3.0i - 4.0j) m/s. Find the magnitude of its total momentum.
- An object A is moving with 5 m/s and object B is moving with 20 m/s in the same direction (positive x-axis). Find the velocity of B with re…
- A man climbs a mountain with an amount of energy E. The energy he gains when descending the mountain is equal to:
- When a box is dragged on the floor, the work done on the box in the form of potential energy is:
