A car accelerates from rest at 3.5 m/s2 for 6.5 seconds what is the cars final speed

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?