A car at a stoplight has a velocity of 0 km/hr. three seconds after the light turns green, the car has a velocity of 30 km/hr. what is the acceleration of the car?

Hannah made a chart to describe speed and velocity. Which best describes how to correct Hannah's error? Switch the chart headings "Speed" and "Velocity." Describe the calculation for speed as "dividing distance by time.

what occurs when force is applied over a certain distance and motion is in the same direction as the force?

2. What is the difference between special relativity and general relativity? Briefly describe each theory and cite one piece of evidence supporting each theory.

What term describes the moon's path around earth

A projectile is launched at an angel into the air its verticle acceleration is g?

What is true about coal as an energy source

A car is moving with a speed of 22 m/s. The driver then brakes, and the car comes to a halt after 6.5 s. What is the distance covered by the car after the driver brakes, until it comes to a stop? A) 36 m B) 72 m C) 140 m D) 210 m

Which of the following best explains why an explosive charge in a cannon can cause a cannonball to fly out of the cannon with a high velocity? A. because chemical potential energy can convert to gravitational potential energy B.

Distance divided by time what is velocity

The decay constant of a radioactive nuclide is 4.6 x 10^-3 s^-1. What is the half-life of the nuclide? 2.5 min 2.0 min 1.4 min 3.6 min 3.1 min