Q1. A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
Q2. A 1700 kg car rounds a curve of radius 70 m banked at an angle of 12°. What is the magnitude of the friction force necessary for the car to travel at 82 km/h?
Q3.A 89000 spaceships comes in for a vertical landing. From the initial speed of 1.00, it comes to rest in 2.00 with uniform acceleration.
What braking force should its rockets provide? Overlook air resistance.